Environmental and Urban Economics

 Many academic economists are experimenting with AI such as Chat GPT, Gemini, Claude and Grok to do all sorts of things for us. I have writt...

 As USC Football starts its new season, I wanted to share a funny photo from 2017. The fans had an opportunity to look at my photo and read ...

 Throughout our lives, we make many financial decisions.  Should you buy shares in SpaceX or ChatGPT or Anthropic?  Should you buy a house n...

 I see that people are still reading my blog!  I recently posted a new working paper that interests people. It is titled "Will AI Impro...

I enjoy writing e-books because I can just keep revising them as I read, think and learn. I also confess that this approach allows me to avo...

Dear Readers, In recent months, I have posted my public writing to my free Substack. I have such fond memories of Google Blogspot, thus...

I have moved m y blog over to Substack (and I've lost many readers). Please join me there. Here is a recent column. The Wall Street ...

The New Economic Geography of WFH Matthew E. Kahn Over the last three years, companies from all over the world have learned valuable infor...

A majority of American adults live in owner occupied housing. As an economist, I celebrate the logic of revealed preference. While many poo...

Climate change adaptation refers to our individual and collective ability to cope with Mother Nature’s more intense weather punches in terms...