When will food price bubbles burst?

Drug Price Gouging: When Will it End?

Price gouging. There’s no other name for it. In recent years, many in the pharmaceutical industry have embarked on a largely unfettered campaign of drug price gouging. American Family Physician contributing editor Allen Shaughnessy, PharmD, outlines many examples in the accompanying editorial on this topic.1 Michael Munger, MD, president-elect of the American Academy of Family Physicians (AAFP)...

Food Price Bubbles and Government Intervention : Is China Different ?

The last decade has witnessed different price trajectories in the international and Chinese agricultural commodity markets. This paper compares and contrasts these dynamic patterns between markets from the perspective of price bubbles. A newly developed right-tailed unit root testing procedure is applied to detect price bubbles in the CBOT and Chinese agricultural futures market during the peri...

Ethnic diversity deflates price bubbles.

Markets are central to modern society, so their failures can be devastating. Here, we examine a prominent failure: price bubbles. Bubbles emerge when traders err collectively in pricing, causing misfit between market prices and the true values of assets. The causes of such collective errors remain elusive. We propose that bubbles are affected by ethnic homogeneity in the market and can be thwar...

When Soap Bubbles Collide

Sonoluminescence: When bubbles glow

In single-bubble sonoluminescence, an ultrasound-driven microbubble undergoes violent oscillations and converts part of the energy of the sound field into visible light. Since its discovery ten years ago, a consistent theory of the dynamics and stability of the bubble has been developed. The approach includes the dissociation of molecular gases inside the collapsing bubble to explain striking d...