TY - BOOK AU - Cantwell,John TI - The economics of patents SN - 9781845423162 PY - 2006/// CY - Cheltenham PB - Edward Elgar KW - Patents KW - Economic aspects KW - Technological innovations KW - Management N1 - Includes bibliographical references and index; vol. 1; The patent system and the measurement of invention -; vol. 2; Corporate patenting ER -