“…In the 1970s, there are the works of Baldwin (1970), Scott (1970) [he analyses the opportunity to apply the human-capital's approach to study the BD's phenomenon], Romans (1974), Rodriguez (1975) Usher (1977), Glaser (1978) and Gmelch (1980). Regard Bhagwati, there are several works: Bhagwati & Hamada (1974), Bhagwati et alia (1975), Bhagwati & Rodriguez (1975), Bhagwati & Wan (1979). 30 In 1960s and 1970s there are the works of Bodenhofer (1967), Patinkin (1968), Johnson (1972) [he analises the thecnological gap between Western Countries and LDCs ones], Thompson (1974), [he analises the connection between Technology and Development inside BD's topics], Haas (1975) [he studies the necessity to coordinate the Technology in an International framework], Johnson (1975) and Rodriquez (1975).…”