Federal Judge Blocks JetBlue’s $3.8 Billion Acquisition of Spirit Airlines

In January 2024 , a federal judge blocked JetBlue Airways $3.8 billion deal to buy Spirit Airlines, rejecting a merger that he said would hamper competition and lead to higher fares. The ruling marks a victory for the U.S. Department of Justice, which stopped the JetBlue and Spirit deal from going ahead. The Data: Figure … Continue reading Federal Judge Blocks JetBlue’s $3.8 Billion Acquisition of Spirit Airlines

Difficult Choices for California’s Hospitals

As the virus spreads, the number of Covid-19 patients in hospitals rises and the number of healthcare workers available falls. Hospitals must make difficult choices about which patients to treat—those with Covid-19 or those wanting elective surgeries. In this post, we use the economic way of thinking to analyze this problem in California. What do the data … Continue reading Difficult Choices for California’s Hospitals

Why is the elasticity of supply smaller in the short run?

A student asks… Why is the elasticity of supply smaller in the short run than in the long run? What is the elasticity of supply? The elasticity of supply is the responsiveness of the quantity supplied of a good to a change in its price, other things remaining the same. It is a units-free measure, … Continue reading Why is the elasticity of supply smaller in the short run?

The Economic Way of Thinking about School Closure

Since the COVID-19 pandemic started, one of the most heated public debates concerns school closure. In this blog post, we walk through the way an economist would think about this public policy. What is the school closure tradeoff? In economics, scarcity refers to our inability to get everything we want. Scarcity is universal. Because we … Continue reading The Economic Way of Thinking about School Closure

Can a statement be both positive and normative?

A student asks… Can a statement be both positive and normative? What is a positive statement? A positive statement is about what is. A positive statement might be right or wrong, and we can test it by checking it against the facts. “In April 2020, the United States documented its highest unemployment rate since 1948 … Continue reading Can a statement be both positive and normative?