Summary
:
Interational
investing has some special risks. Here is what Securities and Exchange
Commission has to say about these risk, which divides into seven different
categories: Changes in the currency exchange rate, dramatic changes in market
value, political, economic, and social events, lack of liquidity, less
information, reliance on foreign legal remedies, and different market
operations.
Calculation
of Expected Return: rp = a rUS
+ ( 1 - a) rrw
where rp = portfolio expected return rUS =
expected U.S. market return rrw = expected global return
Calculation
of Expected Portfolio Risk = (sP
) sP
= [a 2sUS2 +
(1-a)2 sr w2 + 2a(1-a) sUSsrw sUS,rw]1/2
where sUS,rw
=the cross-market correlation, sUS2 =U.S.
returns variance, sr w2 =World
returns variance
Barriers
to International Diversification: Segmented markets, Lack of liquidity,
Exchange rate controls, Less developed
capital markets, Exchange rate risk, and Lack of information. Methods to
Diversify: Trade in American Depository Receipts (ADRs), Trade in American
shares, and Trade internationally diversified mutual funds (Global,
International, and Single-country)
Measuring
Total Returns Bonds: Dollar return
= Foreign currency return x Currency gain (loss)
Bond
return formula: 1 + R$ =[1
+B(1) - B(0) + C ](1+g)
B(0)
where:
R$ = dollar return, B(1) =
foreign currency bond price at time 1, C
= coupon income, g =
depreciation/appreciation of foreign currency
Stocks
(Calculating return) Formula: 1 + R$=[
1+ P(1) - P(0) + D ](1+g)
P(0)
where:
R$ = dollar return, P(1)= foreign currency stock price at time 1, D
= foreign currency annual dividend
Analyse
The
recent surge in international portfolio investments reflects the globalization
of financial markets. Specifically, many countries have liberalized and
deregulated their capital and foreign exchange markets in recent years. In
addition, commercial and investment banks have facilitated international
investments by introducing such products as American Depository Receipts (ADRs)
and country funds. Also, recent advancements in computer and telecommunication
technologies led to a major reduction in transaction and information costs
associated with international investments. In addition, investors might have
become more aware of the potential gains from international investments.
Security
returns are less correlated probably because countries are different from each
other in terms of industry structure, resource endowments, macroeconomic
policies, and have non-synchronous business cycles. Securities from a same
country are subject to the same business cycle and macroeconomic policies, thus
causing high correlations among their returns.
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