In july 2007 the wall street journal (wsj) reported that a growing shortage of skilled labor in eastern european countries such as slovakia was driving up wages in key industries and reducing business income. the reason for the shortages was a large migration of skilled eastern european workers to western european countries. according to the simple immigration model, the supply of workers will a. rise in both western european and eastern european countries until the wage rates fall in both countries.
b. fall in both western european and eastern european countries until the wage rates rise in both countries.
c. fall in western european countries and rise in eastern european countries until the wage rates become more equal.
d. rise in western european countries and fall in eastern european countries until the wage rates become more equal.

Jen heard that the bank where she kept her money was going to close for good. jen said she wasn't worried

Employees at a library check out books to patrons. books have an isbn and a name. the library sometimes has multiple copies of the same book. books have one or more authors. a patron is an individual who has an active (non-expired) library card. for each library card, we store the person's first and last names and their address. for each employee, we store their employee id, current salary, first and last name and their address. we also store the employee id of their current manager. each time we check out a book to a patron we need to store the date of the transaction, the employee who checked out the book to the patron, and the library card of the patron. some employees have library cards. if an employee patron turns in a book late, the fine that they pay is a percentage of their salary. some employees are authors who have library cards—they are allowed to check out as many books as they like.

Which analyst position analyzes information using mathematical models to business managers make decisions? -budget analyst -management analyst -credit analyst -operations research analyst