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This paper specifies and empirically analyzes a continuous-time, linear-quadratic, representative consumer model wit h time-nonseparable preferences of several forms. Within this framewor k, the author shows how time aggregation and time nonseparabilities in preferences over consumption streams can interact. The behavior of b oth seasonally adjusted and unadjusted consumption data is consistent wi th time-nonseparable preferences if consumption goods are durable and i f individuals develop habit over the flow of services from the good. T he data do not support a version of the model that ignores time nonseparabilities in preferences and focuses solely upon time aggregation. Copyright 1993 by The Econometric Society.
J.B. Heaton (Mon,) studied this question.