Recent work on nonparametric identification of average partial effects (APEs) from panel data require restrictions on individual or time heterogeneity. Identifying assumptions under the “generalized first-differencing” category, such as time homogeneity (Chernozhukov, Fernandez-Val, Hahn, and Newey, 2013), have testable equality restrictions on the distribution of the outcome variable. This pap...

The EC (Estimation-Classiication) estimator, and its companion EC-algorithm, were introduced in El-Gamal and Grether (1995), and their properties further analyzed in El-Gamal and Grether (1996). The purpose of EC estimation is to uncover heterogeneity in panel data models in a manner which is more parsimonious and computationally less costly than some of the standard methods (e.g. xed eeects). ...

in this paper deflection and free vibration of sandwich panel is studied. the core of sandwich panels is made of hexagonal honeycomb and faces are made of two different materials of carbon fiber reinforced plastic and k-aryl/epoxy covering. the governing equations are deduced from the first order sheer deformation theory (fsdt) and they are solved using generalized differential quadrature metho...

1 Summary Although similar to weighting for unit nonresponse in cross-sectional surveys, adjustment for panel non-response needs to incorporate information about nonrespondents collected in the early waves of the panel. We review different weighting adjustments for panel nonresponse and discuss methods for incorporating complex survey design variables into the weighting adjustments. We propose ...

  In this paper deflection and free vibration of sandwich panel is studied. The core of Sandwich panels is made of hexagonal honeycomb and faces are made of two different materials of Carbon Fiber Reinforced Plastic and K-aryl/epoxy covering. The governing equations are deduced from the First order Sheer Deformation Theory (FSDT) and they are solved using Generalized Differential Quadrature Met...

Extending the work by Hausman and Wise (1979), Ridder (1992), Wooldridge (1995) and Ryu (2001), this paper proposes a new and simpler way of accounting for attrition in unbalanced panel data. Cross-sectional units are dissipated over time, possibly in a nonrandom fashion, thus negating the initial randomization. The key element of the current approach is to model the attrition process jointly w...

This paper considers the problem of comparing two processes with panel data. A nonparametric test is proposed for detecting a monotone change in the link between the two process distributions. The test statistic is of CUSUM type, based on the empirical distribution functions. The asymptotic distribution of the proposed statistic is derived and its finite sample property is examined by bootstrap...

Estimating and Testing a Quantile Regression Model with Interactive Effects This paper proposes a quantile regression estimator for a panel data model with interactive effects potentially correlated with the independent variables. We provide conditions under which the slope parameter estimator is asymptotically Gaussian. Monte Carlo studies are carried out to investigate the finite sample perfo...

This study investigates the impact of China’s stock market on firm-level investment by using a panel data set constructed by the author of all Chinese listed firms for the period of 1992 to 1999 and by applying both fixed effects and generalized method of moments (GMM) techniques. The results show that stock market valuation has a highly significant and positive influence on listed firms’ inves...