In order to meet demand for two types of usable coal in the U. S., coal suppliers mine raw coal from existing mines, process it into one of the two usable products, and deliver the products to the customer (the "demand region"). To assess the impact on the U. S. coal market of different pollution control strategies, the EPA wants to determine how much raw coal from different mining regions (i. e., suppliers) will be extracted, how much will then be processed into one of the two coal products, and how much of each deliverable product will be sent to meet consumer demands in various regions.

(select all that apply) examples of email use that could be considered unethical include denying receiving an e-mail requesting that you work late forwarding a chain letter asking for donations to a good cause sending a quick message to your friend about last weekend sending your boss the monthly sales figures in an attachment setting up a meeting with your co-worker sharing a funny joke with other employees

Describe how to write a main idea expressed as a bottom-line statement

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)