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A hands-on machine learning primer for social scientists : math, algorithms and code

Askitas, Nikos - 2024

This paper addresses the steep learning curve in Machine Learning faced by noncomputer scientists, particularly social scientists, stemming from the absence of a primer on its fundamental principles. I adopt a pedagogical strategy inspired by the adage "once you understand OLS, you can work your...

Persistent link: https://www.econbiz.de/10014535259

Worker self-selection and the profits from cooperation

Kosfeld, Michael (contributor); … - 2008

different firms and firms employing cooperative workers make strictly positive profits. Profit differences across firms persist …

Persistent link: https://www.econbiz.de/10003784391

The price of capital, factor substitutability, and corporate profits

Hergovich, Philipp; Merz, Monika - 2018

The capital-to-labor ratio has steadily risen in the U.S. and elsewhere during the post-WWII period. Since the 1970s this rise has been accompanied by a rise in the level and variability of corporate profits whereas the labor share of income has declined. In this paper we ask whether these...

Persistent link: https://www.econbiz.de/10011906166

Using firm optimization to evaluate and estimate returns to scale

Gorodnichenko, Yuriy (contributor) - 2008

often inconsistent with profit maximization or imply implausibly large profits. The puzzle arises because popular estimators … the restrictions imposed by profit maximization (cost minimization) so that estimators are inconsistent or poorly … rather than production functions and demonstrates that the profit share in revenue is a robust non-parametric economic …

Persistent link: https://www.econbiz.de/10003656928

AI, skill, and productivity : the case of taxi drivers

Kanazawa, Kyogo; Kawaguchi, Daiji; Shigeoka, Hitoshi; … - 2022

We examine the impact of Articial Intelligence (AI) on productivity in the context of taxi drivers. The AI we study assists drivers with finding customers by suggesting routes along which the demand is predicted to be high. We find that AI improves drivers' productivity by shortening the...

Persistent link: https://www.econbiz.de/10013433210

Rent-sharing and the cyclicality of wage differentials

Du Caju, Philip (contributor); Rycx, François (contributor) - 2008

This paper investigates inter-industry wage differentials in Belgium, taking advantage of access to a unique matched employer-employee data set covering all the years from 1999 to 2005. Findings show the existence of large wage differentials among workers with the same observed characteristics...

Persistent link: https://www.econbiz.de/10003778859

Middlemen, non-profits, and poverty

Chau, Nancy H.; Goto, Hideaki; Kanbur, Ravi - 2009

In many markets in developing countries, especially in remote areas, middlemen are thought to earn excessive profits. Non-profits come in to counter what is seen as middlemen's market power, and rich country consumers pay a "fair-trade" premium for products marketed by such non-profits. This...

Persistent link: https://www.econbiz.de/10003897511

Winning big but feeling no better? : the effect of lottery prizes on physical and mental health

Apouey, Bénédicte; Clark, Andrew E. - 2010

We use British panel data to determine the exogenous impact of income on a number of individual health outcomes: general health status, mental health, physical health problems, and health behaviors (drinking and smoking). Lottery winnings allow us to make causal statements regarding the effect...

Persistent link: https://www.econbiz.de/10003937887

Decomposing excess returns in stochastic linear models

Lin, Carl - 2011

We present a theorem helpful in estimating the mean and variance of a linear function with arbitrary multivariate randomness in its coefficients and variables. We derive a generalized decomposition result from two random linear functions in which the result can be applied to most models using...

Persistent link: https://www.econbiz.de/10009524390

Chutes and ladders : dual tracks and the motherhood dip

Fernández-Kranz, Daniel; Lacuesta, Aitor; … - 2010

Using rich panel data recently available from Spanish Social Security records, we find that a negative motherhood earnings differential of 2.3 log points remains even after controlling for both individual- and firm-level unobserved heterogeneity. The analysis of the mothers and childless women's...

Persistent link: https://www.econbiz.de/10009315297

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