Trade and the accumulation and diffusion of knowledge /
Pier Carl o Padoan.
- Washington, DC : World Bank, International Economics Department, International Trade Division, [1996]
- 47 p. : ill. ; 28 cm.
- Policy research working paper ; no. 1679 .
"November 1996"--Cover.
Includes bibliographical references (p. 41-43).
International trade --Econometric models.------ Technological innovations --Econometric models.------ Diffusion of innovations --Econometric models.------