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In econometrics, most null hypotheses are composite, dividing the parameters into parameters of interest and nuisance parameters. The domain of the nuisance parameters can influence the size-corrected critical value and hence the power of a test. We show that the domain of the nuisance...
Persistent link: https://www.econbiz.de/10005755366
Models of job creation and destruction emphasize the endogeneity of the decision to start up or kill off a job. Faced with random and largely idiosyncratic shocks to productivity, firms adopt a reservation strategy for keeping a job in existence. This reservation productivity depends upon the...
Persistent link: https://www.econbiz.de/10005755368
Much empirical research in the social sciences is concerned with estimating conditional mean functions. The most frequently used estimation methods assume that the conditional mean function is known up to a set of constant parameters that can be estimated from data. Such methods are called...
Persistent link: https://www.econbiz.de/10005755369
The least-absolute-deviations (LAD) estimator for a median- regression model does not satisfy the standard conditions for obtaining asymptotic refinements through use of the bootstrap because the LAD objective function is not smooth. This paper overcomes this problem by smoothing the objective...
Persistent link: https://www.econbiz.de/10005755370
Persistent link: https://www.econbiz.de/10005755371
The U.S. Drug Enforcement Administration’s (DEA’s) STRIDE data contain records of acquisitions of illegal drugs by undercover agents and informants of the DEA and Metropolitan Police of the District of Columbia. These data are widely used in economic analyses of markets for illegal drugs....
Persistent link: https://www.econbiz.de/10005755372
This paper is concerned with evaluating alternative unemployment insurance (UI) schemes in a dynamic economy with moral hazard. We consider changes in the size and duration of UI benefits, and the effects of experience rating, and use a dynamic contracting approach to determine a benchmark...
Persistent link: https://www.econbiz.de/10005755373
Persistent link: https://www.econbiz.de/10005755374