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1
Estimates of the value of patent rights in European countries during the post-1950 period
Veröffentlicht 1985“… Nat. Bureau of Economics Research …”
Buch -
2
On the rationality of black youth unemployment
Veröffentlicht 1984“… Nat. Bureau of Economics Research …”
Buch -
3
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4
On functions, quality, and timeliness of economic information
Veröffentlicht 1980“… Nat. Bureau of Economics Research …”
Buch