Google
Wednesday 
July 1, 2026 

AmosWEB means Economics with a Touch of Whimsy!

AmosWEBWEB*pediaGLOSS*aramaECON*worldCLASS*portalQUIZ*tasticPED GuideXtra CrediteTutorA*PLS
HERFINDAHL INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

Visit the GLOSS*arama

Most Viewed (Number) Visit the WEB*pedia

AGGREGATE SUPPLY DECREASE, LONG-RUN AGGREGATE MARKET

A shock to the long-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the long-run aggregate supply curve. A decrease in aggregate supply in the long-run aggregate market results in an increase in the price level and a decrease in real production. The level of real production resulting from the shock is a smaller level of full-employment real production.

Complete Entry | Visit the WEB*pedia


APLS

YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a how-to book on home decorating or a set of luggage with wheels. Be on the lookout for the happiest person in the room.
Your Complete Scope

This isn't me! What am I?

The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
"Experience keeps a dear school, but fools will learn in no other. "

-- Benjamin Franklin

S&D
Supply and Demand
A PEDestrian's Guide
Xtra Credit
Tell us what you think about AmosWEB. Like what you see? Have suggestions for improvements? Let us know. Click the User Feedback link.

User Feedback



| AmosWEB | WEB*pedia | GLOSS*arama | ECON*world | CLASS*portal | QUIZ*tastic | PED Guide | Xtra Credit | eTutor | A*PLS |
| About Us | Terms of Use | Privacy Statement |

Thanks for visiting AmosWEB
Copyright ©2000-2026 AmosWEB*LLC
Send comments or questions to: WebMaster