“...We propose an Adjusted Quasi-Score (AQS) method for constructing tests for homoskedasticity in spatial econometric models. We first obtain an AQS function by...”

“...This paper analyzes the relationship between education and health outcomes using a natural experiment in Turkey. The compulsory schooling increased from 5 to 8...”

“...Partitioned regression and the Frisch-Waugh-Lovell theorem -- The one-way error component model -- The two-way error component model -- Test of hypotheses...”

“...This paper studies the fact that 37 percent of the internal migrants in China do not sign a labor contract with their employers, as revealed in a nationwide...”