First-born children are significantly more likely to run for and be elected to political office than their siblings.

Death penalty cases which are assigned to the US Courts of Appeals are substantially more likely to result in executions when the convicts are [randomly] assigned to panels with a majority of Republican-appointed judges.

Larger banks do not lead to greater profits, efficiency or real growth

Expansions of Medicaid made voters less likely to support repealing the Affordable Care Act

When the foreign qualifications of immigrants are formally recognized by the host state, the immigrants earn 20% higher wages and become 25 percentage points more likely to be employed

A record number of firearm background checks were completed in the US at the onset of the COVID-19 pandemic and during the George Floyd protests in 2020

Expansions of welfare lead to electoral rewards for the political party behind the expansion

Water fluoridation improves dental health, has no impact on cognitive ability, and improves labor incomes

Political attacks over competence and integrity harms the electoral performance of leftist but not rightist parties

In the field of economics, men are tenured similarly regardless of whether they coauthor or solo author research

Racially resentful white voters prefer staunchly conservative black candidates over similar white candidates

A weaker, nonviolent police force could be a sign of a stronger democracy - A new study of a nonviolent encounter with police in Taiwan shows how the weakness of police power can be treated as an index for the strength of democratic values.

Partisan differences have been observed in willingness to engage in COVID-19-prevention behaviors

The implementation of copyrights in Italy in the wake of Napoleon's invasion led to a significant increase in the number of newly created operas, and the quality of new operas, but there were no benefits from copyright extensions beyond the life of the original creator.

The Presence of One’s Own Smartphone Reduces Available Cognitive Capacity (2017)

In the United States, the average American sleeps less than the minimum seven hours of sleep per night recommended by the Center for Disease Control, and nearly half of Americans report negative consequences from insufficient sleep.

DNA exonerations in rape cases strongly suggest that the wrongful-conviction rate is significantly higher among black convicts than white convicts.

Attending a charter school (publicly funded but privately managed schools) has no impact on test scores and adversely affects the children's earnings as adults.

ER doctors in the US have incentives to be out of network because patients do not usually "choose" their doctor when they go to the ER

American voters had more difficulty assessing the ideology of Donald Trump in 2016 than all presidential candidates since 1972 and all contemporary legislators.

Children who attended the early childhood education program Head Start go on to earn higher incomes and obtain more years of education as adults than similar children who were not able to attend Head Start.

Every dollar spent on high-quality, early-childhood programs for disadvantaged children returned $7.3 over the long-term

"We find a negative relationship between exposure to the criminal justice system and involvement in labor organizations..

Younger whites are less racially prejudiced than older whites

How negative feedback influences goal-directed behaviors

Right-to-work laws lead to increases in economic inequality by reducing the power of labor unions

Robots and Jobs: Evidence from U.S

Both Democrats and Republicans have moved in a secular direction on moral issues

The "Preparing for Life" program which provided home visiting, parental guidance and speech & language development to disadvantaged Irish families led to increases in children’s cognitive and socioemotional/behavioral outcomes (relative to similar families who were not assigned the assistance).

Scholars' views about the methods and truth of science varied by field: Natural scientists were more likely to think that science accurately measures and describes reality the than social scientists or history and philosophy of science scholars in a study of 1700 scholars from various fields.

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