Problem Set 6
Note that in part (a), the one-time fee is a fixed cost for the firm.
Also note that in part (b.iii), the firm will produce q>0 in the short run despite making losses, for if it
produces q=0. Its profit is -200, which is worse for
Module 4 : Uniform Plane Wave
Lecture 31 : Power Flow in a Medium
In this course you will learn the following
The Poynting theorem and the concept of Poynting vector.
Average Poynting vector( A true measure of power flow).
Conditions for averag
EM 3 Section 14: Electromagnetic Energy and the Poynting Vector
14. 1. Poyntings Theorem (Griths 8.1.2)
Recall that we saw that the total energy stored in electromagnetic elds is:
U = UM + UE =
Let us now derive this mor
Problem Set 7
1) [35 marks] A monopolist sells a good in two markets. The demand curves in
the two markets are
q1 = 50 (p1/3) and q2 = 60 (p2/2)
where qi and pi are respectively the quantity and price in market i = 1,2. The
monopolists total cost function
Circular Flow Model
(Textbook: 531-533) 3:;
Challenge ' (ulnr (w
, ' the
' HOW would you include savings and investment 1
mOdel? Draw it on the model above.
2. Using the circular ow model, identify leakages and injecuons'
LDAW ~f,_ SwiK/yy Lvyg
Gross Domestic Product (GDP)
85 the Business Cycle
(Textbook: 468474, 479-481)
htt: tin rl.com ossdomestic roduct
GDP Denition .
0 Total value of all nal goods and services produced in the Umted States
9 ThkVIMLJiJ-g aoat? VLJ con/ARA
Nib. 4 I - > » «Jr-Fm rW_ m A ,v-
Social Network Industry
Demand & Supply
Using the productfacebook, which is part of the social network industry, give an
example for each of the demand and supply shifts below. You can create
L Prot Questions
1. Chuck Waggin owns and operates a small tax-accounting rm, which he runs out of
the basement of his home.
A. The basement was just wasted space until Chuck turned it into an ofCe for
his business. He says his rm is more protable th