"Today econometrics has been widely applied in the empirical study of economics. As an empirical science, econometrics uses rigorous mathematical and statistical methods for economic problems. Understanding the methodologies of both econometrics and statistics is a crucial departure for...

Business surveys often use complex sets of edit rules (edits, for short) to check returned questionnaires (records), locate suspicious or unacceptable responses, and support data cleaning operations prior to using the survey responses for estimation of the required target parameters. These sets...

This paper explores the interrelationships between Chinese grain prices, farm households' income, their own-consumption of grain and their marketable surplus supply during the rural reform era. A Gorman polar indirect utility function is employed, from which a set of household grain supply and...