PATENT STATISTICS AS A MEASURE OF TECHNICAL CHANGE

[1] RESEARCH AND TECHNICAL CHANGE IN THE PHARMACEUTICAL-INDUSTRY [J]. REVIEW OF ECONOMICS AND STATISTICS, 1965, 47 (02) : 182 - 190

[2] COMANOR WS, 1964, ECONOMICA, V31, P379

[3] GRABOWSKI HG, 1966, 82 PRINC U EC RES PR

[4] Kuznets S., 1962, RATE DIRECTION INVEN

[5] PATENTS, RESEARCH AND DEVELOPMENT, AND MEASUREMENT OF INVENTIVE ACTIVITY [J]. JOURNAL OF INDUSTRIAL ECONOMICS, 1966, 15 (01) : 26 - 37

[6] SANDERS B, 1962, RATE DIRECTION INVEN

[7] CORPORATE INVENTIVE OUTPUT, PROFITS, AND GROWTH [J]. JOURNAL OF POLITICAL ECONOMY, 1965, 73 (03) : 290 - 297

[8] SCHERER FM, 1965, AM ECON REV, V55, P1097

[9] SCHMOOKLER J, 1962, AM ECON REV, V52, P165

[10] SCHMOOKLER J, 1963, AER, V53, P725

[1] RESEARCH AND TECHNICAL CHANGE IN THE PHARMACEUTICAL-INDUSTRY [J]. REVIEW OF ECONOMICS AND STATISTICS, 1965, 47 (02) : 182 - 190

[2] COMANOR WS, 1964, ECONOMICA, V31, P379

[3] GRABOWSKI HG, 1966, 82 PRINC U EC RES PR

[4] Kuznets S., 1962, RATE DIRECTION INVEN

[5] PATENTS, RESEARCH AND DEVELOPMENT, AND MEASUREMENT OF INVENTIVE ACTIVITY [J]. JOURNAL OF INDUSTRIAL ECONOMICS, 1966, 15 (01) : 26 - 37

[6] SANDERS B, 1962, RATE DIRECTION INVEN

[7] CORPORATE INVENTIVE OUTPUT, PROFITS, AND GROWTH [J]. JOURNAL OF POLITICAL ECONOMY, 1965, 73 (03) : 290 - 297

[8] SCHERER FM, 1965, AM ECON REV, V55, P1097

[9] SCHMOOKLER J, 1962, AM ECON REV, V52, P165

[10] SCHMOOKLER J, 1963, AER, V53, P725