Comparative Advantage
•Absolute advantage
-Wool and wine
•Comparative advantage
-David Ricardo
-Widgets and Thingamajigs
Comparative Advantage, Pt. 2
•Factor endowments
-Land, labor, and capital
•Comparative advantage works with prices, but also
with
quality and availability
•Works with goods, services, and finances
•Two things to keep in mind
-The difference between
aggregate
gain and distribution
-The difference between
individuals
as producers and individuals as consumers
National Accounts
•National expenditure accounts
-
http://www.bea.gov/bea/dn/nipaweb/TableView.asp?SelectedTable=5&FirstYear=2004&LastYear=2005&Freq=Qtr
•National income accounts
-
http://www.bea.gov/bea/dn/nipaweb/TableView.asp?SelectedTable=53&FirstYear=2004&LastYear=2005&Freq=Qtr
•How accurate are these figures?
-
http://www.bea.gov/bea/dn/nipaweb/TableView.asp?SelectedTable=43&FirstYear=2004&LastYear=2005&Freq=Qtr
Comparing National Accounts
•The IMF and international standards
•The exchange rate method vs. the purchasing power
parity
(PPP) method
-
http://siteresources.worldbank.org/DATASTATISTICS/Resources/GNIPC.pdf
Balance of Payments
•Current account
-Goods, services, and income
•Capital and financial accounts
-Investment
•The two are equal by definition
-But there’s always an error
term
Balance of Payments, Pt. 2
•Effects of current accounts imbalances
-Wealth effects
-Financial/monetary effects
•The 4-5% deficit threshold
•The US current accounts position
-The rise in current account
deficit
-The effect on the US
international investment position
Exchange Rates and Trade
•Two sources of exchange rate movements:
Current demand and expectations
-Demand comes from trade and
investment
•Benefits of lower rates: higher exports,
better
BOP situation
-Except when trade is
inelastic
•Costs of lower rates:
-More expensive imports
•Inflation
-Debt servicing