Street Grid Economics

More than we realize, our economic behavior in a city is shaped by the urban planning that created the shape, the length and the width of the streets.

How a Soap Opera Affected Brazil’s Fertility Rate

During the past 40 years, Brazil’s fertility rates declined. One cause was the new values that soap operas conveyed to an uneducated rural population.

The Problem With Bovine Burps

Reducing environmental externalities from greenhouse gas emissions involves the methane that cows and other ruminants burp.

The Diner’s Dilemma: Should You Divide the Check Equally With Friends?

Like the tragedy of the commons, splitting a bill among friends at a restaurant involves an individual’s marginal benefit and the group’s marginal cost.

Why Doing Good is Not Always Easy

By recognizing the tradeoffs of recycling, preserving endangered species and improving world health, doing good could become more productive.

Why a Life Needs a Price Tag

Although it seems callous, for safety regulation like speed limits and for victims’ compensation like 9/11 we need to quantify the value of a life.

How to Deal With Skyscraper Shadows

Whenever a new skyscraper is built, we can ask whether its shadow violates our property rights when it eliminates the sunlight in a city’s parks.

The World’s Sanitation Gap

A production possibilities graph can display the land, labor and capital underutilization that inadequate sanitation creates and indicate a constrained GDP.

Paying More at the Gas Pump

Because of a low gasoline tax, the Highway Trust Fund does not have enough money to maintain the transportation infrastructure of highways and mass transit.

Exposing What You Hide in Your Garbage

Weighing cost and benefit for Seattle’s recycling environmental regulation involves privacy, dollars, time, and respect for the law and our environment.