This paper considers time series Generalized Method of Moments (GMM) models where a subset of the parameters are time varying. We focus on an empirically relevant case with moderately large instabilities, which are well approximated by a local asymptotic embedding that does not allow the instability to be detected with certainty, even in the limit. We show that for many forms of the instability...

This research aimed to estimate the determinants of bank profitability banks registered in Thailand by using System GMM Estimator method. Bank level data from 2010-2020. Profitability is measured three ratios: Return on Assets. Equity and Net Interest Income Margin The a bank's are bank-specific. Banking Industry Specific Factors Economic Factors. results showed increasing asset size lower for ...