statistical discrepancy, differences in aggregation methods, or the contributions formula. Moreover, we demonstrate that with … consistent data, use of BEA's Fisher-Ideal aggregation procedures to aggregate value added over industries yields the same … estimate of real GDP as aggregation over final commodities. Thus, two major approaches to measuring real GDP -- "expenditures …

than one-year) historical asset class return distributions. In contrast, we find that such information aggregation … strategy, we show that previously documented aggregation effects are not robust to (i) changes in the distribution of the risky …

asset markets and indivisible labor supply. Imperfect aggregation manifests itself through preference shocks in the …

how network structure influences information aggregation. We develop a model of semi-Bayesian learning on networks, which …

us to estimate models with recursive preferences, latent state variables, and time-aggregated data. Time-aggregation … makes the decision interval of the agent an important parameter to estimate. We find that time-aggregation can significantly … affect parameter estimates and statistical inference. Imposing the pricing restrictions and explicitly accounting for time-aggregation …

to geographic aggregation. After reviewing the tradeoffs associated with more- and less-disaggregated analyses … of geographic aggregation. This analysis reveals that more-disaggregated analyses severely understate the extent to which …