We study identification of differentiated product demand from market-level data when product characteristics can be endogenous. Past work suggests nonparametric identification may be impossible: that
Graph and download economic data for Hours Worked for Finance and Insurance: Depository Credit Intermediation (NAICS 5221) in the United States (IPUKN5221L200000000) from 1987 to 2023 about intermedia
Conventional OLS fixed-effects and GLS random-effects estimators of dynamic models that control for individual-effects are known to be biased when applied to short panel data (T <= 10). GMM estimators
