Wednesday, March 28, 2007

A Snapshot of Macro-Economics

Economics is the learning of making choices. High school and college students all over required to take economic courses in order to achieve a diploma. Why is economics so important because it provides a guide for students for real-world situations. Economics is divided into two types microeconomics and macroeconomics. Microeconomics is the study of economics at a slim level. For example absorbed on how a detailed business functions is microeconomics.
Studying the world economy is classified as Macroeconomics; its center on a much broader level. All students must understand the concept of insufficiency. Scarcity is a condition that occurs because society has unlimited wants and needs however the amount of property is limited. Unlimited wants and needs are what encourage us to create goods and services. We are never satisfied therefore we always have a want or need. On the other hand our income is limited.

Tuesday, March 20, 2007

Barge

A barge is a flat-bottomed boat, built mostly for river and canal transport of important goods. Most barges are not self-propelled and need to be moved by tugboats towing or towboats pushing them. Barges on inland waterways (towed by draft animals on an adjacent towpath) contended with the railway in the early industrial revolution but were out competed in the carriage of high value items owing to the higher speed, falling costs, and route elasticity of rail transport.
Barges are still used today for low value bulk items, as the cost of hauling goods by barge is very low. Barges are also used for very weighty or bulky items; a typical barge events 195 feet by 35 feet (59.4 meters by 10.6 meters), and can take up to 1500 tons of cargo.