National Bureau of Economic Research (NBER)

Rule Changes

Published working paper on the tax's revenue effects

California voters rejected Proposition 40, a one-time 5% tax on the net worth of residents worth more than $1.1 billion. The measure lost about 56% to 44% after a campaign that drew more than $330 million in opposition spending.

Updated Yesterday

New Capabilities

Affiliation of both laureates

The Royal Swedish Academy of Sciences awarded the 2026 Nobel economics prize to Robert E. Hall and Michael Woodford for building the microeconomic foundations of macroeconomic stabilisation. Their models, developed over nearly five decades, are now the standard toolkit for central banks and governments worldwide.

Updated Oct 13

New Capabilities

As of May 2026: Published foundational working paper

The United States has been having fewer babies every year since 2007. Recessions make it worse, so when the worst economic shock in decades hit in 2020, demographers expected another steep drop.

Updated May 30

Rule Changes

As of May 2026: Published December 2025 research on school cellphone bans and student achievement

January 2026 accelerated the school cellphone crackdown. New Jersey signed a statewide ban for 2026-27, Michigan passed legislation for fall 2026, and Kansas introduced bipartisan Senate Bill 302 backed by 30 senators. What began with France's 2018 experiment now spans 37 states plus D.C., up from 35+ just weeks earlier.

Updated May 19