GAAP vs. IFRS: Key Differences in Inventory Accounting

Discover the key differences in inventory accounting between GAAP and IFRS, including valuation methods, write-down reversals ...

Ceteris Paribus vs. Mutatis Mutandis: Key Differences in Economics

Explore the differences between "ceteris paribus" and "mutatis mutandis" in economics. Understand how these concepts ...
IEEE

A Sum and Difference Beam Antenna for UAV with A Single Segment Parallel-Strip line Σ-Δ Comparator

Abstract: A sum and difference beam antenna with a novel parallel-strip line Σ-Δ comparator for unmanned aerial vehicle (UAV) is proposed in this paper. The new type of Σ-Δ comparator, which is more ...
National Bureau of Economic Research

Harvesting Differences-in-Differences and Event-Study Evidence

This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...