War between Israel, the United States, and Iran has damaged civilian infrastructure and killed civilians as missile and drone attacks spread across the Middle East.—ft.com Assumption: The world economy uses all available resources.
Category: MIT1
Introduction (including Gains from Trade)
Keywords: Scarcity, Opportunity Cost, PPF, Comparative Advantage
Parkin 14e Chapters 1, 2
Bade-Parkin 9e Chapters 1, 2, 3
Parkin-Bade Canada 11e Chapters 1, 2
Parkin-Bade Australia 2e Chapters 1, 2, 3
Parkin-Powell-Matthews 11e Chapters 1, 2
Rafael Nadal’s Performance Measured by Elo Ratings
Nadal, 39, retired in November 2024 after years of battling injuries that ultimately ended hopes of extending one of the most decorated careers in tennis history. —dailysabah.com, December 15, 2025 Elo points measure how strong a player is based on match results. Beating stronger opponents increases Elo points more, while losing to weaker opponents decreases … Continue reading Rafael Nadal’s Performance Measured by Elo Ratings
Thousands Attend Daniel Caesar’s Free Concert
Daniel Caesar fans poured into Vancouver’s John Hendry Park as the musician hosted a free show. Some attendees climbed trees to get a view. One stood on a garbage can, another on a bike and a few on chairs.—cbc.ca
On Frontier of New ‘Gold Rush’
Guinea, in West Africa, has the world’s biggest bauxite reserves, the main source of aluminum for electric vehicles. More than 200,000 acres of farmland will be destroyed by bauxite mining. Runoff from mines is destroying many rivers and fishermen draw in hauls so small they can barely make a living.—washingtonpost.com
The United States Lost 1.3 Million Acres of Farmland In 2021
Farmland decreased by over 1.9 million acres per year since 2014. The shrinking supply of farmland is due in part to developers purchasing farmland to expand suburbs to meet growing housing demand. Farmland prices increased significantly in 2021.—yahoo.com
Wildfire Prevention Possibilities
Climate change has made wildfires larger, more frequent, and more difficult to extinguish. California’s devastating wildfires in 2020 and 2021 convinced the state’s lawmakers to increase the budget for wildfire prevention services. In this post, we look at the economic problem faced by California lawmakers arising from wildfires and climate change using a production possibilities … Continue reading Wildfire Prevention Possibilities