NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Haiwen Zhou

Department of Economics
Old Dominion University

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org

NBER Working Papers and Publications

March 2014On the Role of Group Size in Tournaments: Theory and Evidence from Lab and Field Experiments
with John List, Daan Van Soest, Jan Stoop: w20008
Both private and public organizations constantly grapple with incentive schemes to induce maximum effort from agents. We begin with a theoretical exploration of optimal contest design, focusing on the number of competitors. Our theory reveals a critical link between the distribution of luck and the number of contestants. We find that if there is considerable (little) mass on good draws, equilibrium effort is an increasing (decreasing) function of the number of contestants. Our first test of the theory implements a laboratory experiment, where important features of the theory can be exogenously imposed. We complement our lab experiment with a field experiment, where we rely on biological models complemented by economic models to inform us of the relevant theoretical predictions. In bo...
March 2007Internal Increasing Returns to Scale and Economic Growth
with John A. List: t0336
This study develops a model of endogenous growth based on increasing returns due to firms' technology choices. Particular attention is paid to the implications of these choices, combined with the substitution of capital for labor, on economic growth in a general equilibrium model in which the R&D sector produces machines to be used for the sector producing final goods. We show that incorporating oligopolistic competition in the sector producing finals goods into a general equilibrium model with endogenous technology choice is tractable, and we explore the equilibrium path analytically. The model illustrates a novel manner in which sustained per capita growth of consumption can be achieved?through continuous adoption of new technologies featuring the substitution between capital and labo...
Internal Increasing Returns to Scale and Economic Growth
with John A. List: w12999
This study develops a model of endogenous growth based on increasing returns due to firms' technology choices. Particular attention is paid to the implications of these choices, combined with the substitution of capital for labor, on economic growth in a general equilibrium model in which the R&D sector produces machines to be used for the sector producing final goods. We show that incorporating oligopolistic competition in the sector producing finals goods into a general equilibrium model with endogenous technology choice is tractable, and we explore the equilibrium path analytically. The model illustrates a novel manner in which sustained per capita growth of consumption can be achieved -- through continuous adoption of new technologies featuring the substitution between capital and l...
 
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