CiteWeb

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Publications in 2015

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Children as Collective Goods and Divorce Settlements

The failure of many divorced fathers to comply with court-mandated child support awards has been identified as a major reason why a growing number of children live in poverty in female-headed households. This paper presents a model that seeks to explain...

Models of Market Organization with Imperfect Information: A Survey

This paper surveys recent theoretical work characterizing markets whose participants act on the basis of sketchy and incomplete information. Its focus is market equilibrium. Models of what is usually called disequilibrium behavior do not make sense and...

Nivolumab versus Docetaxel in Advanced Squamous-Cell Non–Small-Cell Lung Cancer

BackgroundPatients with advanced squamous-cell non–small-cell lung cancer (NSCLC) who have disease progression during or after first-line chemotherapy have limited treatment options. This randomized, open-label, international, phase 3 study evaluated...

The Relevance of the Household Production Function and Its Implications for the Allocation of Time

This paper provides a critique of the household production function approach and its application to the allocation of time. It is argued that many applications of the model, especially those making use of implicit "commodity prices," require that the...

The Anatomy of Envy: A Study in Symbolic Behavior [and Comments and Reply]

Envy is a pan-human phenomenon, universally feared, at least subconsciously, as a particularly dangerous emotion, since it implies hostility and aggression capable of destroying individuals and even societies. Especially in Western society, man has rather...

Management of Hyperglycemia in Type 2 Diabetes, 2015: A Patient-Centered Approach: Update to a Position Statement of the American Diabetes Association and the European Association for the Study of Diabetes

In 2012, the American Diabetes Association (ADA) and the European Association for the Study of Diabetes (EASD) published a position statement on the management of hyperglycemia in patients with type 2 diabetes (1,2). This was needed because of an increasing...

Stochastic Models of Phylogeny and the Evolution of Diversity

Equilibrium models in population biology have demonstrated that accurate predictions of species diversity can be made without reference to particular taxa. We have extended the use of equilibrium models to examine patterns of phyletic diversification...

Does Competition Kill Corruption

Corrupt agents (officials or gangsters) exact money from firms. Corruption affects the number of firms in a free‐entry equilibrium. The degree of deep competition in the economy increases with lower overhead costs relative to profits and with a tendency...

The Fossil Mammal Fauna of South America

Of the three southern continents, South America was more isolated during the Tertiary than Africa, less isolated than Australia. Its record of Cenozoic mammalian life is better than that of either. This record suggests that around the beginning of the...

Grain-Size Characteristics of Pyroclastic Deposits

Pyroclastic fall and flow deposits occupy two distinct fields on an $Md_{\phi}/\sigma_{\phi}$ plot (Inman parameters), and a contoured diagram is given based on 1,600 samples to facilitate comparison of mechanical analyses. Analyses which plot where the...

Pebbles in the Lower Colorado River, Texas a Study in Particle Morphogenesis

The Colorado River in its course from central Texas to the Gulf of Mexico carries quartz, chert, and limestone pebbles which can be traced for distances of up to 270 miles from their source. Limestone is so soft that it reaches its limiting roundness...

High-resolution CT of the lung

W. Richard Webb, Nestor L. Müller, David P. Naidich

Toward a Developmental Criminology

The study of criminality will benefit from a developmental perspective that employs analyses of within-subject changes. A review of the evidence shows continuity in offending between adolescence and adulthood and continuity between prepubertal conduct...

Celebration and Suppression: The Strategic Uses of Identity by the Lesbian and Gay Movement1

Critics of identity politics decry the celebration of difference within identity movements, yet many activists underscore their similarities to, rather than differences from, the majority. This article develops the idea of "identity deployment" as a form...

Chronic Persistent Cough in the Adult: the Spectrum and Frequency of Causes and Successful Outcome of Specific Therapy1–3

Using a diagnostic protocol based on the anatomy and distribution of cough receptors and afferent nerves, we sought to determine the causes and outcome of specific therapy of chronic persistent cough in 49 consecutive and unselected patients. A specific...

Captivating company: dimensions of attractiveness in employer branding

The internal marketing concept specifies that an organisation’s employees are its first market. Themes such as ‘internal advertising’ and ‘internal branding’ have recently entered the marketing lexicon. One component of internal marketing that...

City Shoppers and Urban Identification: Observations on the Social Psychology of City Life

Chicago housewives comprise four types of shoppers: economic, personalizing, ethical, and apathetic. The personalization and moralization of customer-clerk relationships cannot be inferred from conventional proposition about the anonymity of city life,...

Executive Compensation and Tournament Theory: Empirical Tests on Danish Data

This article adds to the empirical literature on tournament theory as a theory of executive compensation. The author tests several propositions of tournament models on a rich data set containing information about 2,600 executives in 210 Danish firms during...

On the Relation between Habitat Selection and Species Diversity

Breeding bird censuses were made in Puerto Rico, Panama, and temperate United States, and a profile of foliage density was made for each. Using information theory formulae both diversity indices and measurements of difference between censuses and difference...

Financial Development and Economic Growth: International Evidence

The importance of the relationship between financial development and economic growth has been well recognized and emphasized in the field of economic development.1 Although recent writings on this subject seem to accept the hypothesis that financial development...

Paleotemperature Analysis of Caribbean Cores P6304-8 and P6304-9 and a Generalized Temperature Curve for the past 425,000 Years

Different techniques for preparing organic carbonates for mass spectrometric analysis may give slightly different results depending upon the material used and the grain size to which it is reduced. Two deep-sea cores from the central Caribbean have been...

DBpedia – A large-scale, multilingual knowledge base extracted from Wikipedia

Jens Lehmann, Robert Isele, Max Jakob, Anja Jentzsch, Dimitris Kontokostas, Pablo N. Mendes, Sebastian Hellmann, Mohamed Morsey, Patrick van Kleef, Sören Auer, Christian Bizer

Microeconomics and behavior

Exploring the relationship between human behaviour and economic analysis, Microeconomics and Behaviour establishes the fundamentals of intermediate microeconomics in a clear and narrative style and develops economic intuition about the world around us....

Genetic Variation and Phenotypic Evolution During Allopatric Speciation

Quantitative genetic models of phenotypic evolution in small isolated populations are presented, from the initial founding event to continued random genetic drift and natural selection toward a new optimum phenotype. The basic features of complex morphologies...

Sedimentary Rocks and Crustal Evolution: Tectonic Setting and Secular Trends

A significant change in the composition of turbidites deposited at active tectonic settings is seen at the Archean/post-Archean transition. In comparison to post-Archean active margin turbidites, Archean greenstone turbidites exhibit more uniform Th/Sc...

Issue Frames and Group-Centrism in American Public Opinion

Public opinion on government policy is group-centric: that is, strongly influenced by the attitudes citizens possess toward the social groups perceived as the beneficiaries of the policy. Though common-place, this mode of political thinking is not inevitable....

The Relation of Kindergarten Classroom Environment to Teacher, Family, and School Characteristics and Child Outcomes

We observed 223 largely suburban or rural public school kindergarten classrooms in 3 states to describe classroom activities and child-teacher interactions involving 1 child per classroom. We also observed global classroom quality and assessed its relation...

DIEL VERTICAL MIGRATIONS BY JUVENILE SOCKEYE SALMON AND THE ANTIPREDATION WINDOW

Diel vertical migration is a common phenomenon among aquatic organisms belonging to numerous phyla, and many hypotheses have been advanced to explain the selective advantages of such behavior. In this paper we discuss observations of the diel vertical...

Reciprocal effects of religiosity cohabitation and marriage.

While it has long been known that religious affiliation is associated with many aspects of family life the previously held notion that family behavior has no influence on religious activity and commitment and that all empirical association reflects the...

Aging, Cohorts, and the Stability of Sociopolitical Orientations Over the Life Span

This article examines three hypotheses about the relation between age and the stability of sociopolitical attitudes. The hypotheses are (1) the impressionable-year hypothesis, which states that the youngest adults have the least stable attitudes; (2)...

Thrombectomy within 8 Hours after Symptom Onset in Ischemic Stroke

Methods During a 2-year period at four centers in Catalonia, Spain, we randomly assigned 206 patients who could be treated within 8 hours after the onset of symptoms of acute ischemic stroke to receive either medical therapy (including intravenous alteplase...

The Outcomes of Homeless Mobilization: The Influence of Organization, Disruption, Political Mediation, and Framing

This article contributes to a more systematic understanding of movement outcomes by analyzing how organizational, tactical, political, and framing variables interact and combine to account for differences in the outcomes attained by 15 homeless social...

Market Fundamentals versus Price-Level Bubbles: The First Tests

When current market price depends partly on the expected rate of market price change, it is possible that the market will launch itself onto a price bubble with price being driven by arbitrary, self-fulfilling elements in expectations. The purpose of...

Structuring a Theory of Moral Sentiments: Institutional and Organizational Coevolution in the Early Thrift Industry1

The authors investigate the coevolution of organizations and institu‐tions—they study how institutional definitions, rules, and expectations unfold in tandem with the organizational structures and processes that embody those institutions. The research...

Sex, Schooling, and Occupational Status

Based on data from an 18-year follow-up of Wisconsin high school seniors, this paper describes the process of occupational achievement among men and women from labor market entry to mid-life. In contrast to several earlier studies, there are marked sex...

Economic Contests: Comparative Reward Schemes

Contests are situations in which an individual's reward depends on his performance relative to others. Students are graded on a curve; the candidate with the most votes gets the political office; the underling who performs best is promoted to the executive...

Metal-free efficient photocatalyst for stable visible water splitting via a two-electron pathway

The use of solar energy to produce molecular hydrogen and oxygen (H2 and O2 )f rom overall water splitting is a promising means of renewable energy storage. In the past 40 years, various inorganic and organic systems have been developed as photocatalysts...

Mechanical Controlled Hypoventilation in Status Asthmaticus1,2

This study reports the results obtained with mechanical ventilation in severe respiratory failure secondary to status asthmaticus. Of the 159 patients with status asthmaticus admitted to the Intensive Respiratory Unit over a 5-yr period, 26 required mechanical...

Public Opinion, Crime, and Criminal Justice

Research on public knowledge has found that the public knows little about crime or the criminal justice system including crime-related statistics such as crime rates, recidivism rates, and average sentences. Members of the public have little familiarity...

Vintage Human Capital, Growth, and the Diffusion of New Technology

We develop a model of vintage human capital in which each technology requires vintage-specific skills. We examine the properties of a stationary equilibrium for our economy. The stationary equilibrium is characterized by an endogenous distribution of...

Venous Thromboembolism Prophylaxis and Treatment in Patients With Cancer: American Society of Clinical Oncology Clinical Practice Guideline Update 2014

Purpose To provide recommendations about prophylaxis and treatment of venous thromboembolism (VTE) in patients with cancer. Prophylaxis in the outpatient, inpatient, and perioperative settings was considered, as were treatment and use of anticoagulation...

Residential Distribution and Occupational Stratification

Ecological analysis is a promising approach to the study of urban social stratification, for differences in the residential distributions of occupations groups are found to parallel the differences among them in socio-economic status and recruitment....

Stereotypes and Segregation: Neighborhoods in the Detroit Area

Two opposing hypotheses seek to explain why black-white residential segreration persists despite open housing laws. One perspective argues that discriminatory practices in the marketing of real estate are responsible. Another view contends that it is...

Negative Effects of Traditional Middle Schools on Students' Motivation

We discuss the decline in early adolescents' academic motivation after the transition to middle grade schools and review work on how school and classroom environments in traditional middle grade schools could be responsible for these declines. We suggest...

Attribution and Reciprocity in an Experimental Labor Market

The gift‐exchange game has established that, in the laboratory, higher wages offered by an employer lead to considerably more costly effort provision. However, it is unclear whether this behavior reflects reciprocity or other forms of social preferences....

Work Incentives, Hierarchy, and Internal Labor Markets

This paper argues that contracts with payment based on a ranking of employee performance can provide performance incentives even under asymmetric information that prevents payment based on individual performance only being enforceable. Such contracts...

The Implications of Competition Among Jurisdictions: Does Tiebout Need Politics?

The paper investigates whether compensation among local jurisdiction is, by itself, sufficient to ensure efficient provision of local public goods. Jurisdictions have fixed boundaries, and each has an entrenched government with the power to tax and supply...

The Decline in Male Labor Force Participation

The rate of nonparticipation in market work among prime-aged males in the United States has risen persistently during the postwar period. The rate among males aged 45-54, for example, has risen from 4.2 percent to 8.4 percent from 1948 to 1976, with similar...

Competitive Networks: Nontransitive Competitive Relationships in Cryptic Coral Reef Environments

Nonhierarchial sequences of interference competitive abilities, competitive networks, have been observed in Jamaican cryptic coral reef environments and also appear to exist in Jamaican open reef surface environments. These competitive networks are both...

Endowments and the Allocation of Schooling in the Family and in the Marriage Market: The Twins Experiment

The authors show how comparisons between the within-twin correlations of human capital outcomes across identical and nonidentical twins can be used to identify the variability in the individual-specific component of endowments and the responsiveness of...

The Evolution of Cladoceran Life Histories

The selection pressures imposed by invertebrate are of primary significance in the evolution of cladoceran life histories. Small-sized cladoceran species are vulnerable to invertebrates throughout their lives, but minimize the adverse effects of juvenile...

Structural Position in the World System and Economic Growth, 1955-1970: A Multiple-Network Analysis of Transnational Interactions

This paper addresses world-system/dependency theories of differential economic growth among nations. We grant that such perspectives have considerable analytic potential but have serious reservations concerning their current empirical status. Our croticisms...

Climate of the Supercontinent Pangea

Numerous climate models predict that the geography of the supercontinent Pangea was conducive to the establishment of a "megamonsoonal" circulation. In general, geologic evidence supports the hypothesis of a megamonsoon that reached maximum strength in...

Academic Performance and Delinquency

A meta-analysis of naturalistic studies of the academic performance-delinquency relationship and of intervention studies aimed both at improving academic performance and reducing delinquency found that children with lower academic performance offended...

Tracing the Thread of Plastid Diversity through the Tapestry of Life

: Plastids (chloroplasts) are endosymbiotic organelles derived from previously free‐living cyanobacteria. They are dependent on their host cell to the degree that the majority of the proteins expressed in the plastid are encoded in the nuclear genome...

Weathering and Global Denudation

A negative correlation between sediment yield and weathering history, as measured by the chemical alteration (CIA) of the suspended sediment, is observed for many of the world's major rivers and other regions of denudation. The weathering history is a...

The Role of Body Size, Phylogeny, and Ambient Noise in the Evolution of Bird Song

Morton found that the average emphasized frequency in the songs of tropical bird species in low-forest habitats was lower than that of species in grassland or edge habitats. He suggested that this was due to a frequency window around 1585-2500 Hz in low-forest...

Assessing Macro-Level Predictors and Theories of Crime: A Meta-Analysis

The macro-level approach reemerged as a salient criminological paradigm in the late 1970s and early 1980s. Prompted by new theories and reformulations of existing ones, over 200 empirical studies explored ecological correlates of crime. Few efforts have...

The Diversity of Eukaryotes

: The discipline of evolutionary protistology has emerged in the past 30 yr. There is as yet no agreed view of how protists are interrelated or how they should be classified. The foundations of a stable taxonomic superstructure for the protists and other...

Stress, vulnerability and adult alcohol relapse.

Objective: Alcoholics experiencing highly threatening or chronic psychosocial stress following treatment are more likely to relapse than abstaining individuals not experiencing such stress. Expanding upon this stress-relapse hypothesis, we predicted that...

Spatially Averaged Long-Term Erosion Rates Measured from in Situ-Produced Cosmogenic Nuclides in Alluvial Sediment

Spatially averaged erosion rates of small catchments can be accurately inferred from the concentrations of cosmogenic nuclides in stream sediment. Here we test this technique at two catchments by comparing erosion rates inferred from cosmogenic nuclides...

BESSEL FUNCTIONS OF MATRIX ARGUMENT

Our principal results fall into three main classes. First, a large number of formulae from the classical theory of special functions are given appropriate generalizations. Some of these turn out to have applications to lattice-point problems and to the...

American Society of Clinical Oncology Policy Statement Update: Genetic and Genomic Testing for Cancer Susceptibility

Mark Robson, Angela R. Bradbury, Banu Arun, Susan M. Domchek, James M. Ford, Heather Hampel, Stephen M. Lipkin, Sapna Syngal, Dana S. Wollins, Noralane M. Lindor

The Rare Earth Content and Origin of Alkali-Rich Basalts

The rare earth content of alkali-rich, silica-undersaturated basalts erupted onto oceanic and continental plates is consistent with their derivation by slight amounts of partial melting of hydrous garnet peridotite at the top of the asthenosphere, within...

Standardized Single Breath Normal Values for Carbon Monoxide Diffusing Capacity1–3

Prediction equations for DLCO and diffusing capacity per unit of lung volume (DL/VA) were generated from 245 normal subjects (122 women and 123 men) using a standardized technique for measuring DLCO Measurements were made at an altitude of 1,400 meters....

Development of Pull-Apart Basins

A comparative study of well mapped active and ancient pull-apart basins suggests a qualitative model for their continuous development. Pull-aparts evolve from incipient to extremely developed basins through a sequence of closely related states. New and...

Sensitivity of Eurasian Climate to Surface Uplift of the Tibetan Plateau

Experiments with climate models are used to illustrate how earth's climate could be expected to change if surface uplift occurred. The experiments contrast two climate simulations: one with all continents at sea level and one with present-day mountains...

Local marriage markets and the marital behavior of black and white women.

Previous research has typically ignored the spatial dimension of marriage markets, focusing instead on highly aggregated data or on individual models of entry into marriage. A basic premise of this study is that national marriage rates are played out...

River Response to Baselevel Change: Implications for Sequence Stratigraphy

Baselevel is the imaginary horizontal level or surface to which sub-aerial erosion proceeds. It is sea level. Controversy surrounds the effect of baselevel change on river behavior, the rejuvenation of landscapes, and the delivery of sediment to the shelf-slope...

Global, regional, and national causes of child mortality in 2000-13, with projections to inform post-2015 priorities: an updated systematic analysis

Trend data for causes of child death are crucial to inform priorities for improving child survival by and beyond 2015. We report child mortality by cause estimates in 2000–13, and cause-specific mortality scenarios to 2030 and 2035.

Software-Defined Networking: A Comprehensive Survey

The Internet has led to the creation of a digital society, where (almost) everything is connected and is accessible from anywhere. However, despite their widespread adoption, traditional IP networks are complex and very hard to manage. It is both difficult...

The Structure of Economic Segmentation: A Dual Economy Approach

We note the need for a measure of economic segmentation based on current empirical data for a range of theoretically relevant indicators. Drawing on a dual economy interpretation of the relationship between economic organization and labor market structure,...

Processes on Arid-Region Alluvial Fans

Alluvial fans were studied in the field, largely in the desert regions of California, and in the laboratory. Field study consisted of detailed mapping of parts of four fans and reconnaissance work on over one hundred additional fans. Features mapped included...

A new antibiotic kills pathogens without detectable resistance

Antibiotic resistance is spreading faster than the introduction of new compounds into clinical practice, causing a public health crisis. Most antibiotics were produced by screening soil microorganisms, but this limited resource of cultivable bacteria...

The Dynamic Impacts of Monetary Policy: An Exercise in Tentative Identification

It is currently popular to identify monetary policy shocks with innovations in some measure of reserves or in the federal funds rate. These assumptions about the interest elasticity of the supply of or demand for reserves imply monetary policy shocks...

Pressure-Temperature-Time Paths and a Tectonic Model for the Evolution of Granulites

Petrologic studies and application of well-calibrated mineralogic thermometers and barometers reveal several important features common to many granulite terrains: (1) "Peak" metamorphic pressure and temperature conditions cluster around values of 7.5...

Consumer Attitudes towards Products of Foreign Origin: Do They Vary Across Product Classes?

Although a substantial body of literature exists on the country-of-origin bias, the issue of whether or not such perceptions are uniform across product classes has not been resolved. This study examines how quality perceptions of consumers vary across...

Spatial and Temporal Heterogeneity in Diffusion

Standard models of diffusion assume spatial and temporal homogeneity. This article develops a class of diffusion models that nicorporate spatial and temporal heterogeneity by turning to the individual level within an event-history framework. These models...

Collective Responsibility for Learning and Its Effects on Gains in Achievement for Early Secondary School Students

How the organization of teachers' work affects students in their early years of high school is the focus of this study. A nationally representative sample of 11,692 high school sophomores in 820 U. S. high schools and 9,904 of those students' teachers...

Structural and functional features of central nervous system lymphatic vessels.

Antoine Louveau, Igor Smirnov, Timothy J. Keyes, Jacob D. Eccles, Sherin J. Rouhani, J. David Peske, Noël C. Derecki, David Castle, James W. Mandell, Kevin S. Lee, Tajie H. Harris, Jonathan Kipnis

CDD: NCBI's conserved domain database

NCBI’s CDD, the Conserved Domain Database, enters its 15 th year as a public resource for the annotation of proteins with the location of conserved domain footprints. Going forward, we strive to improve the coverage and consistency of domain annotation...

Yielding of Clays in States Wetter than Critical

Synopsis The consequences of the assumption that soil is an isotropic, elasto-plastic, continuous medium are examined. A new energy equation is proposed, well supported by experimental evidence, from which a stress-strain relationship is developed for...

Reliability of the Thermodilution Method in the Determination of Cardiac Output in Clinical Practice1,2

The thermodilution (TD) method of determining cardiac output (CO) is widely used in clinical practice, but its reliability in this setting is not well understood and may be poor. This is especially true when dealing with unstable patients and using commercial...

Social Forces Shape Math Attitudes and Performance

Jacquelynne S. Eccles, Janis E. Jacobs

Single‐Junction Polymer Solar Cells Exceeding 10% Power Conversion Efficiency

Jing‐De Chen, Chaohua Cui, Yan-Qing Li, Lei Zhou, Qing-Dong Ou, Chi Li, Yongfang Li, Jian-Xin Tang

Escaping Distressed Neighborhoods: Individual, Community, and Metropolitan Influences

This article links longitudinal data from the Panel Study of Income Dynamics with information on respondents' census tracts to examine patterns of annual residential mobility between poor and nonpoor neighborhoods. Education and marriage increase the...

Sources, Sinks, and Storage of River Sediment in the Atlantic Drainage of the United States

The history of sediment and its movement in the Atlantic drainage demonstrate some of the difficulties of modeling sediment on a river-basin scale. Soil erosion was accelerated by a factor of at least 10 when European settlers cleared forests and planted...

Status Consumption in Consumer Behavior: Scale Development and Validation

This paper describes the development and validation of a short, reliable, and valid self-report scale to measure status consumption, the tendency to purchase goods and services for the status or social prestige that they confer on their owners. Items...

Regional Variation in Earnings Inequality in Reform-Era Urban China

This article studies the regional variation in earnings inequality in contemporary urban China, focusing on the relationship between the pace of economic reforms and earnings determination. Through a multilevel analysis, it shows that economic growth...

Sons, Daughters, and the Risk of Marital Disruption

The association between the sex of children and their parents' risk of marital disruption is examined using the June 1980 Current Population Survey. The finding is that sons reduce the risk of marital disruption by 9% more than do daughters. This difference...

Adolescent Competence and the Shaping of the Life Course.

The life course is shaped by the interaction of cultural and social structural features with physical and psychological attributes of the individual and by the commitments and purposive efforts of the individual. In modern society, rationality and functionality...

Long-term performance of contaminant barrier systems

This lecture describes the latest findings with respect to the long-term performance of modern municipal solid waste (MSW) landfill barrier systems. Field data relating to the clogging of leachate collection systems and the latest techniques for predicting...

Testing the Educational Screening Hypothesis

Human capital theorists have traditionally argued that individuals invest in education until the marginal gain in productivity is equal to the marginal opportunity cost. However, the observed correlations among income, education, and ability measures...

Work and Welfare Among Single Mothers in Poverty

This article examines the relationship between work and welfare in poor, female-headed families by tracing the process through wich single mothers work their way off welfare. Analysis is based on montly data from the Panel Study of Income Dynamics (PSID)...

Testing for Interaction in Multiple Regression

Contrary to a recent claim, the inclusion of a product term in a multiple regression is a legitimate way to test for interaction. The unstandardized coefficient and the t-test for the product term are unaffected by the addition of arbitrary constants...

Volcanic Arc Magmas: Implications of a Melting-Mixing Model for Element Recycling in the Crust-Upper Mantle System

A multicomponent melting-mixing model for the origin of volcanic arc basalt magmas implies signifi cant recycling of K, Rb, Ba, and other elements in the crust-upper mantel system. The model accounts for chemical differences in alkali, alkaline earth,...

A Theory of the Critical Mass. I. Interdependence, Group Heterogeneity, and the Production of Collective Action

Collective action usually depends on a "critical mass" that behaves differently from typical group members. Sometimes the critical mass provides some level of the good for others who do nothing, while at other times the critical mass pays the start-up...

Environmental sex determination in reptiles: ecology, evolution, and experimental design.

Sex-determining mechanisms in reptiles can be divided into two convenient classifications: genotypic (GSD) and environmental (ESD). While a number of types of GSD have been identified in a wide variety of reptilian taxa, the expression of ESD in the form...

Roadmapping Integrates Business and Technology

OVERVIEW:2007 is Research-Technology Management's 50th year of publication. To mark the occasion, each issue has reprinted one of RTM's most frequently referenced articles. The articles were identified by N. Thongpapanl and Jonathan D. Linton in their...

Male-Female Wage Differentials in Job Ladders

Much of the male-female wage differential exists because men and women are assigned to different jobs. Within narrow job categories, there is no male-female differential. Only a tortured taste theory of discrimination can reconcile these facts. We argue...

Uncertain Lifetime, Consumption, and Dissaving in Retirement

This paper asks whether the continued accumulation, or mild dissaving, observed among the retired can be explained by uncertain lifetime. In the absence of annuities, after an initial period influenced by borrowing constraints, under constant relative...

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