Masakure, Oliver; Cranfield, John; Henson, Spencer - In: Applied Economics 43 (2009) 8, pp. 901-915
This article explores the incidence and intensity of certification of Pakistani exporting firms across a range of quality assurance programs. Using firm-level data, the firm's certification status is modelled using Heckman's two-step procedure. The first-stage results using a probit model show...