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Testing for Nonparametric Identification of Causal Effects in the Presence of a Quasi-Instrument
testing endogeneity monotonicity potential outcomes
2012/10/23
The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption or on the availability of an instrument. When availabl...
A New Approach to Testing Marginal Productivity Theory
marginal productivity theory distribution of income robust statistics
2012/10/22
We address the long standing question of whether production factors are paid their marginal products. We propose a new approach that circumvents the need to specify production functions and to compare...
Using uncertainty about the future returns to migration, the option value theory of migration can explain low migration rates in spite of huge wage differences. This paper presents the theory in a sim...
Testing for Asymmetry in British, German and US Unemployment Data
Asymmetries unemployment dynamics matching model
2013/10/18
Not only the level of aggregate unemployment but also the properties of its dynamics are an important topic in macroeconomics and labor economics. Several models like e.g. matching models with endogen...