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Relational Database Schema for a Library Database:
For each query below, write the Relational Algebra statement(s):
List the AU_Name, AU_DOB,BK_Title, & BK_List_Price for books and authors where the Author was born after January 15, 1976 and the book's BK_List_Price was more than $60.00. List the AU_Name and AU_DOB for each Author born after January 15, 1929 who has never written a book whose BK_List_Price was more than $60.00. List the AU_Name and AU_DOB for each Author born after January 15, 1929 and all of whose books have BK_List_Price greater than $60.00.List the BK_TITLE & BK_LIST_PRICE of each Book which has been loaned to Borrowers whose Zipcode is 23284.List the BK_TITLE & BK_LIST_PRICE of each Book which has never been loaned to a Borrower whose Zipcode is 23284.
A increase in the expected future domestic exchange rate causes the demand for domestic assets to ________ and the domestic currency to ________, everything else held constant.
"An increase in fixed costs might affect a firms decsion to produce or not but would not affect its profit-maximizing output"
The Analytical Hierarchy Process is being employed in a project selection decision. One major criteria, cost, receives a weighting value of 40%, which is split into short-term (50%), intermediate term (30%), and long-term (20%). Which of these statem..
Find the per worker production function. Find the steady-state capital stock per worker as a function of the savings, population growth, rate of technological change and depreciation rate. How much is steady state per capita GDP growth?
Assume that apples are an inferior good. Draw a perfectly competitive market for apples and a firm selling apples in the long run equilibrium where price is $10 and the firm’s equilibrium quantity is 50. EXPLAIN what happens in the short-run if custo..
Chimnesia has two equally sized groups of people: smokers and nonsmokers. Both types of people have utility U = √C where C is the amount of consumption that people have in any period. So long as they are healthy, individuals will consume their entire..
Gomez runs a small pottery firm. He hires one helper at $14,500 per year, pays annual rent of $7,500 for his shop, and spends $18,000 per year on materials. He has $40,000 of his own funds invested in equipment (pottery wheels, kilns, and so forth) t..
Samantha Roberts has a job as a pharmacist earning $30,000 per year, and she is deciding whether to take another job as the manager of another pharmacy for $40,000 per year or to purchase a pharmacy that generates a revenue of $200,000 per year.Compa..
Suppose a government moves to reduce a budget deficit. Using the model developed in class: a) Graphically illustrate the impact of reducing the government’s budget deficit by increasing (lumpsum) taxes on household income. Be sure to label:
Elucidate what happens to the price of oranges and the marginal product of orange pickers as a result of the freeze. Can you say what happens to the demand for orange pickers.
A small airline recently sold to a private equity group for $145 million. The airline has earned profits of $9 million last year. The new managers believe they can grow profits at 5% per year. The private equity group borrows money from wealthy indiv..
What does the Taylor rule imply that policymakers should do to the fed funds rate under the following scenarios?
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