RT Serial
T1 Working paper / National Bureau of Economic Research, Inc.
T2 NBER working paper series
LA English
PP Cambridge, Mass.
PB National Bureau of Economic Research, Inc.
YR 1973
UL https://krimdok.uni-tuebingen.de/Record/182653137
CN 330
K1 Arbeitspapier
K1 Graue Literatur
K1 Monografische Reihe