Foreign Exchange→buying and selling of currency
EX) In order to purchase souvenirs in France, it is first necessary for America to sell (supply) their dollars and buy (demand) Euros.
*The exchange rate (e) is determined in foreign currency markets
EX) The current exchange rate is approximately 77 Japanese yen to 1 U.S. dollar.
*Simply put: exchange rate is price of a currency
*do not try to calculate the exact exchange rate
*increase in demand of Euros relative to U.S. dollar
Saturday, April 27, 2013
Extra: Credits vs. Debits
Credits→addition to a nation's account
Debits→subtractions to a nation's account
How to Calculate the following:
1. Balance of Trade: merchandise ↓ service exports-merchandise ↓service imports (typically)
2. Trade deficit occurs when the balance on trade is negative (imports>exports)/ Trade surplus occurs when the balance on trade is positive (exports>imports)
3. Balance on current account=Balance on trade (exports & imports)+Net investment income+Transfer payments
4. Official Reserves
*nationally
Debits→subtractions to a nation's account
How to Calculate the following:
1. Balance of Trade: merchandise ↓ service exports-merchandise ↓service imports (typically)
2. Trade deficit occurs when the balance on trade is negative (imports>exports)/ Trade surplus occurs when the balance on trade is positive (exports>imports)
3. Balance on current account=Balance on trade (exports & imports)+Net investment income+Transfer payments
4. Official Reserves
*nationally
Δ in CA+Δ in FA+Δ in official reserves=not zero
Unit VII: Balance of Payments
Balance of Payments→measure of $ inflows and outflows b/t U.S. and rest of world (ROW)
- inflows referred to as "CREDITS"
- outflows referred to as "DEBITS"
They are divided into 3 accounts:
- current account
- capital/financial account
- official reserves account
Double Entry Bookkeeping:
*every transaction in balance of payments is recorded twice in accordance w/ standard accounting practice
EX) U.S. manufacturer, John Deere, exports $50 million worth of farm equipment to Ireland.
-a credit of $50 mill. to current account
(-$50 mill. worth of farm equipment or physical assets)
-a debit of $50 mill. to capital/financial account
(+$50 mill. worth of Euros or financial assets)
-notice that the 2 transactions offset (balance) each other. Theoretically, the balance payments should always =0.
Current Account:
1. Balance of Trade of Net Exports
- exports of goods & services --imports of goods & services
- exports create a CREDIT to balance of payments
- imports create a DEBIT to balance of payments
2. Net Foreign Income
- income earned by U.S. owned foreign assets--income paid to foreign held U.S. assets
- EX) Interest payments on U.S. owned Brazilian bonds--interest payments on German owned U.S. treasury bonds
3. Net Transfers (tend to be unilateral→one-sided)
- foreign aid→debit to current account
- EX) Mexican migrant workers send $ to family in Mexico
Capital/Financial Account
*the balance of capital ownership
*includes purchase of both real and financial assets
*direct investment in U.S. is a credit to capital account
EX) Toyota Factory in San Antonio
*direct investment by U.S. firms/individuals in a foreign country are debits to capital account
EX) the Intel Factory in San Jose, Costa Rica
*purchase of foreign financial assets represents a debit to capital account
EX) Warren Buffet (a wealthy man) buys stock in Petrochina
*purchase of domestic financial assets by foreigners represents a credit to capital account
EX) United Arab Emirates sovereign wealth fund purchases a large stake in NASDAQ
What Causes Capital/Financial Flows?
*differences in rates of return on investment
*Ceteris Paribus ("with other things the same" or "all other things being equal"), savings will flow toward higher returns
Relationship b/t Current & Capital Account
*current account and capital account should zero each other out (+/-; surplus/deficit)
EX) The constant net inflow of foreign financial capital to U.S. (capital account surplus) is what enables us to import more than we export (current account deficit)
Official Reserves
*foreign currency holdings of U.S. Federal Reserve System
*when there is a balance of payments surplus, the Fed accumulates foreign currency and debits the balance of payments
*when there is a balance of payments deficit, the Fed depletes its reserves of foreign currency and credits balances of payments
*official reserves zero out the balance (everything)
Reaganomics
Supply-side economics or Reaganomics:
- support policies that promote GDP growth by arguing that high marginal tax rates along w/ current system of transfer payments (i.e. unemployment compensation and social security) provide disincentives to work, invest, innovate, and take entrepreneurial adventures
- believe AS curve will determine levels of inflation, unemployment, and economics growth
Trickle-down Effect:
*Rich→poor (direction of $ flow)
Marginal Tax Rate→amount paid on last $ earned or on each additional $ earned
- Reaganomics believe if you reduce the marginal tax rate, more people will be inclined to work longer, thus forgoing leisure time for extra income.
Laffer Curve
**higher the tax rate you set, less $ you will collect
**Laffer Curve is controversial and debatable

*trade-off b/t tax rates and govt revenue
*as tax rates ↑ from 0, tax revenues ↑ from 0 to some max level, and then decline
*higher tax rates, less $ you collect
*Criticisms:
**Laffer Curve is controversial and debatable

*trade-off b/t tax rates and govt revenue
*as tax rates ↑ from 0, tax revenues ↑ from 0 to some max level, and then decline
*higher tax rates, less $ you collect
*Criticisms:
- where economy is located on curve, it is difficult to determine
- tax cuts also ↑ demand which can fuel inflation
- empirical evidence suggests that impact on tax rates on incentives to work, save, and invest are small
Friday, April 26, 2013
Phillips Curve Cont.
SRAS→=SRPC←
(imagine the direction of the arrows on the corresponding graphs below)
- inflationary expectations ↓, input prices ↓, productivity ↑, business taxes ↓, +/or deregulation
- SRAS→: GDPR↑ and PL ↓; u%↓ and π%↓
- SRPC← (disinflation)
*supply shock→rapid and significant increase in resource cost which causes the SRAS to shift
*NRU→is = to frictional, structural, and seasonal (cyclical based on economy)
- natural rates and fewer worker benefits create a lower NRU (free med. care for all workers, lay-off some b/c profits being eaten)
*misery index→combo. of inflation (2-3%) and unemployment (double digits=depression, forget a recession) in any given year. Single digit misery is good.
*if inflation rate persists and expected rate of unemployment rises, then entire SRPC moves upward. When that happens, stagflation exists.
*if inflation expectations drop (due to new tech., efficiency, etc.), the SRPC moves downward
*stagflation→↑ unemployment and ↑inflation occurring at same time
*disinflation→when inflation decreases over time
- nominal wages ↓ (good)
- business profits fall as prices ↑ (bad)
- firms reduce employment, thus, unemployment ↑
Unit VI: The Phillips Curve
u%=unemployment rate
π%=rate of inflation
*The Phillips Curve represents the relationship b/t unemployment and inflation
*trade-off b/t unemployment and inflation occurs over SR
*each point on the Phillips Curve corresponds to a different level of output
*LRPC=long run Phillips Curve
*↑ in unemployment, LRPC →
*↓ in unemployment, LRPC ←
*Increase in AD=up/left movement along SRPC
π%=rate of inflation
*The Phillips Curve represents the relationship b/t unemployment and inflation
*trade-off b/t unemployment and inflation occurs over SR
*each point on the Phillips Curve corresponds to a different level of output
*LRPC=long run Phillips Curve
- occurs at NRU
- represented by ↨ line
- no trade-off b/t unemployment and inflation in LR
- economy produces @ FE output level
- nominal wages of workers fully incorporates any changes in PL as wages adjust to inflation over the LR
*↑ in unemployment, LRPC →
*↓ in unemployment, LRPC ←
*Increase in AD=up/left movement along SRPC
- C↑, Ig↑, G↑, and/or Xn↑
- AD→: GDPR↑ and PL ↑; u%↓ and π%↑; up/left along SRPC
- this would be depicted in the graph below
- C↓, Ig↓, G↓, and/or Xn↓
- AD←: GDPR↓ and PL↓; u%↑ and π%↓; down/right along SRPC
- in this case, point B would move to point A in the graph below
**Check out this blog for more info. on the Phillips Curve and other economic topics: http://macroeconomic1.wordpress.com/
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