still remains significant at high levels of aggregation. Because the bias rises with disaggregation, findings of …

The paper presents a general theory of the aggregation of prices and quantities that unifies the field and relates …

We study whether aggregation residuals in U.S. private investment in information technology (IT) exhibit a predictable … finding is that ignoring movement in relative prices results in a loss of information for predicting aggregation residuals …

Consistent aggregation ensures that real GDP level and growth do not change as the existing GDP components are merely … rearranged. Otherwise, level or growth changes are spurious. This paper proposes a framework for consistent aggregation where … consistent in aggregation although the Fisher formula is inconsistent. Moreover, PPP implications on GDP measurement for some …

A practical aggregation method for heterogeneous log-linear functions is presented. Inequality measures are employed in … applied issues and in teaching, easing the solving and understanding of aggregation problems. Three macroeconomic applications … are discussed: the aggregation of the Lucas supply function, the time-inconsistent behavior of an egalitarian social …