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We put forward a brand choice model with unobserved heterogeneity that concerns responsiveness to marketing efforts. We introduce two latent segments of households. The first segment is assumed to respond to marketing efforts, while households in the second segment do not do so. Whether a...
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This chapter discusses identification of common selection models of the labor market. We start with the classic Roy model and show how it can be identified with exclusion restrictions. We then extend the argument to the generalized Roy model, treatment effect models, duration models, search...
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Inverse problems can be described as functional equations where the value of the function is known or easily estimable but the argument is unknown. Many problems in econometrics can be stated in the form of inverse problems where the argument itself is a function. For example, consider a...
Persistent link: https://www.econbiz.de/10014024938
complicated semi-nonparametric models with (or without) endogeneity and latent heterogeneity. It can easily incorporate prior … information and constraints, often derived from economic theory, such as monotonicity, convexity, additivity, multiplicity …
Persistent link: https://www.econbiz.de/10014024939
We review key aspects of forecasting using nonlinear models. Because economic models are typically misspecified, the resulting forecasts provide only an approximation to the best possible forecast. Although it is in principle possible to obtain superior approximations to the optimal forecast...
Persistent link: https://www.econbiz.de/10014023697
This paper develops a framework for the analysis of semiparametric conditional moment models with endogenous and … endogeneity and measurement errors of the causes of interest, which has been observed in linear parametric models. Two … method. It supports that correcting for both endogeneity and measurement errors on total expenditure is substantial in …
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