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Dealing with endogenous regressors is a central challenge of applied research. The standard solution is to use instrumental variables that are assumed to be uncorrelated with unobservables. We instead assume (i) the correlation between the instrument and the error term has the same sign as the...
Persistent link: https://www.econbiz.de/10003739684
Persistent link: https://www.econbiz.de/10003772987
Dealing with endogenous regressors is a central challenge of applied research. The standard solution is to use instrumental variables that are assumed to be uncorrelated with unobservables. We instead assume (i) the correlation between the instrument and the error term has the same sign as the...
Persistent link: https://www.econbiz.de/10003822978
Persistent link: https://www.econbiz.de/10008906239
Persistent link: https://www.econbiz.de/10003950345
Persistent link: https://www.econbiz.de/10009660671
This is an invited chapter for the forthcoming Volume 4 of the Handbook of Industrial Organization. We present empirical models of demand and supply in differentiated products industries with an emphasis on the key ideas arising from the recent applied literature. We start with a discussion of...
Persistent link: https://www.econbiz.de/10012629477
Dealing with endogenous regressors is a central challenge of applied research. The standard solution is to use instrumental variables that are assumed to be uncorrelated with unobservables. We instead assume (i) the correlation between the instrument and the error term has the same sign as the...
Persistent link: https://www.econbiz.de/10012464213
Dealing with endogenous regressors is a central challenge of applied research. The standard solution is to use instrumental variables that are assumed to be uncorrelated with unobservables. We instead assume (i) the correlation between the instrument and the error term has the same sign as the...
Persistent link: https://www.econbiz.de/10013311948