In this paper, a unified M-estimation method in Yang (2018) is extended to the matrix exponential spatial dynamic panel specification (MESDPS) with fixed effects in short panels. Similar to the STLE m
We propose a cumulative sum (CUSUM)-based testing procedure to sequentially monitor structural changes in smoothly clipped absolute deviation (SCAD)-penalized dynamic panel models. Initially, this app
Whether democratic and nondemocratic regimes perform differently in social provision policy is an important issue to social scientists and policy makers. Since political regimes are rarely changing, t