... expanded equation (1) in levels:(7) which includes the program indicator D, an inter-action term between D and a variable YRS measur-ing years-since-rst-participated in the program, and ... manufacturing rms in 2002, according to the CIPI (2002), and its use kept growing. Between 2002 and 2006, the program tripled the number of audits initiated—from 293 in 2002 to 933 in 2006— and ... encourage technology upgrading, training, and conservation, and improve earnings and safe working conditions for the work-force in SMEs. As is apparent from the overview in Section 2, Mexico has...