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Estimating the Causal Effect of Gun Prevalence on Homicide Rates: A Local Average Treatment Effect Approach
Kovandzic, Tomislav; Schaffer, Mark; Kleck, Gary - Institute for the Study of Labor (IZA) - 2008
numbers of military veterans. In our LATE framework, the estimated impact of gun prevalence is a weighted average of a … possibly negative impact of noncriminal gun prevalence on homicide and a presumed positive impact of criminal gun prevalence …. We find evidence of a significant negative impact, and interpret it as primarily “local to noncriminals”, i.e., primarily …
Persistent link: https://www.econbiz.de/10005822320
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Modelling Volatilities and Conditional Correlations in Futures Markets with a Multivariate t Distribution
Pesaran, Bahram; Pesaran, M. Hashem - Institute for the Study of Labor (IZA) - 2007
This paper considers a multivariate t version of the Gaussian dynamic conditional correlation (DCC) model proposed by Engle (2002), and suggests the use of devolatized returns computed as returns standardized by realized volatilities rather than by GARCH type volatility estimates. The t-DCC...
Persistent link: https://www.econbiz.de/10005822787
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Evaluating Alternative Representations of the Choice Sets in Models of Labour Supply
Aaberge, Rolf; Colombino, Ugo; Wennemo, Tom - Institute for the Study of Labor (IZA) - 2006
little impact on the fitting of observed values, but a more significant and important impact on the out-ofsample prediction …
Persistent link: https://www.econbiz.de/10005763518
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Real Time Econometrics
Pesaran, M. Hashem; Timmermann, Allan - Institute for the Study of Labor (IZA) - 2004
This paper considers the problems facing decision makers using econometric models in real time. It identifies the key stages involved and highlights the role of automated systems in reducing the effect of data snooping. It sets out many choices that researchers face in construction of automated...
Persistent link: https://www.econbiz.de/10005763536
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Variance Estimation in a Random Coefficients Model
Schlicht, Ekkehart; Ludsteck, Johannes - Institute for the Study of Labor (IZA) - 2006
This papers describes an estimator for a standard state-space model with coefficients generated by a random walk that is statistically superior to the Kalman filter as applied to this particular class of models. Two closely related estimators for the variances are introduced: A maximum...
Persistent link: https://www.econbiz.de/10005566384
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Employer Learning and Schooling-Related Statistical Discrimination in Britain
Galindo-Rueda, Fernando - Institute for the Study of Labor (IZA) - 2003
impact of interventions and its implications for individual behaviour. …
Persistent link: https://www.econbiz.de/10005566773
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Tenure Profiles and Efficient Separation in a Stochastic Productivity Model
Buhai, Sebastian; Teulings, Coen - Institute for the Study of Labor (IZA) - 2006
This paper provides a new way of analyzing tenure profiles in wages, by modelling simultaneously the evolution of wages and the distribution of tenures. We develop a theoretical model based on efficient bargaining, where both log outside wage and log wage in the current job follow a random walk,...
Persistent link: https://www.econbiz.de/10005703073
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On Modeling Household Labor Supply with Taxation
Bargain, Olivier - Institute for the Study of Labor (IZA) - 2005
Discrete-choice models provide a simple way of representing utility-maximizing labor supply decisions in the presence of highly nonlinear and possibly non-convex budget constraints. Thus, it is not surprising that they are so extensively used for ex-ante evaluation of taxbenefit reforms. The...
Persistent link: https://www.econbiz.de/10005822130
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Do Temporary Contracts Affect TFP? Evidence from Spanish Manufacturing Firms
Dolado, Juan José; Stucchi, Rodolfo - Institute for the Study of Labor (IZA) - 2008
This paper evaluates the impact of the widespread use of fixed-term contracts in Spain on firms' TFP, via its effect on …
Persistent link: https://www.econbiz.de/10005822188
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Recent Developments in the Econometrics of Program Evaluation
Imbens, Guido W.; Wooldridge, Jeffrey M. - Institute for the Study of Labor (IZA) - 2008
Many empirical questions in economics and other social sciences depend on causal effects of programs or policies. In the last two decades much research has been done on the econometric and statistical analysis of the effects of such programs or treatments. This recent theoretical literature has...
Persistent link: https://www.econbiz.de/10005822300