国际经济学第七课.ppt
Chapter 12,National Income Accounting and the Balance of Payments,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-2,Preview,National income accountsmeasures of national incomemeasures of value of productionmeasures of value of expenditureNational saving,investment,and the current accountBalance of payments accounts,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-3,National Income Accounts,Records the value of national income that results from production and expenditure.Producers earn income from buyers who spend money on goods and services.The amount of expenditure by buyers=the amount of income for sellers=the value of production.National income is often defined to be the income earned by a nations factors of production.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-4,National Income Accounts:GNP,Gross national product(GNP)is the value of all final goods and services produced by a nations factors of production in a given time period.What are factors of production?Factors that are used to produce goods and services:workers(labor services),physical capital(like buildings and equipment),natural resources and others.The value of final goods and services produced by US-owned factors of production are counted as US GNP.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-5,National Income Accounts:GNP(cont.),GNP is calculated by adding the value of expenditure on final goods and services produced.There are 4 types of expenditure:Consumption:expenditure by domestic consumers Investment:expenditure by firms on buildings&equipment Government purchases:expenditure by governments on goods and servicesCurrent account balance(exports minus imports):net expenditure by foreigners on domestic goods and services,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-6,Fig.12-1:U.S.GNP and Its Components,Source:U.S.Department of Commerce,Bureau of Economic Analysis,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-7,National Income Accounts,GNP is one measure of national income,but a more precise measure of national income is GNP adjusted for following:Depreciation of physical capital results in a loss of income to capital owners,so the amount of depreciation is subtracted from GNP.Unilateral transfers to and from other countries can change national income:payments of expatriate workers sent to their home countries,foreign aid and pension payments sent to expatriate retirees,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-8,National Income Accounts(cont.),Another approximate measure of national income is gross domestic product(GDP):Gross domestic product measures the final value of all goods and services that are produced within a country in a given time period.GDP=GNP payments from foreign countries for factors of production+payments to foreign countries for factors of production,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-9,GNP=Expenditure on a Countrys Goods and Services,Y=Cd+Id+Gd+EX=(C-Cf)+(I-If)+(G-Gf)+EX=C+I+G+EX(Cf+If+Gf)=C+I+G+EX IM=C+I+G+CA,Expenditureon domestic production,National income=value of domesticproduction,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-10,Expenditure and Productionin an Open Economy,CA=EX IM=Y(C+I+G)When production domestic expenditure,exports imports:current account 0 and trade balance 0when a country exports more than it imports,it earns more income from exports than it spends on importsnet foreign wealth is increasingWhen production domestic expenditure,exports imports:current account 0 and trade balance 0when a country exports less than it imports,it earns less income from exports than it spends on importsnet foreign wealth is decreasing,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-11,Fig.12-2:U.S.Current Account and Net Foreign Wealth,19762006,Source:U.S.Department of Commerce,Bureau of Economic Analysis,June 2007 release,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-12,Saving and the Current Account,National saving(S)=national income(Y)that is not spent on consumption(C)or government purchases(G).Y C G(Y C T)+(T G)Sp+Sg=S,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-13,How Is the Current Account Related to National Saving?,CA=Y(C+I+G)implies CA=(Y C G)I=S Icurrent account=national saving investmentA country that imports more than it exports has low national saving relative to investment.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-14,How Is the Current Account Related to National Saving?(cont.),CA=S I or I=S CA Countries can finance investment either by saving or by acquiring foreign funds equal to the current account deficit.a current account deficit implies a financial asset inflow or negative net foreign investment.When S I,then CA 0 so that net foreign investment and financial capital outflows for the domestic economy are positive.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-15,How Is the Current Account Related to National Saving?(cont.),CA=Sp+Sg I=Sp government deficit IGovernment deficit is negative government savingequal to G T A high government deficit causes a negative current account balance when other factors remain constant.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-16,Balance of Payments Accounts,A countrys balance of payments accounts accounts for its payments to and its receipts from foreigners.An international transaction involves two parties,and each transaction enters the accounts twice:once as a credit(+)and once as a debit(-).,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-17,Balance of Payments Accounts(cont.),The balance of payments accounts are separated into 3 broad accounts:current account:accounts for flows of goods and services(imports and exports).financial account:accounts for flows of financial assets(financial capital).capital account:flows of special categories of assets(capital):typically non-market,non-produced,or intangible assets like debt forgiveness,copyrights and trademarks.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-18,Example of Balance of Payments Accounting,You import a DVD of Japanese anime by using your debit card.The Japanese producer of anime deposits the money in its bank account in San Francisco.The bank credits the account by the amount of the deposit.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-19,Example of Balance of Payments Accounting(cont.),You invest in the Japanese stock market by buying$500 in Sony stock.Sony deposits the money in its Los Angeles bank account.The bank credits the account by the amount of the deposit.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-20,Example of Balance of Payments Accounting(cont.),U.S.banks forgive a$100 M debt owed by the government of Argentina through debt restructuring.U.S.banks who hold the debt thereby reduce the debt by crediting Argentinas bank accounts.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-21,How Do the Balance of Payments Accounts Balance?,Due to the double entry of each transaction,the balance of payments accounts will balance by the following equation:current account+financial account+capital account=0,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-22,Balance of Payments Accounts,The 3 broad accounts are more finely divided:Current account:imports and exports merchandise(goods like DVDs)services(payments for legal services,shipping services,tourist meals,)income receipts(interest and dividend payments,earnings of firms and workers operating in foreign countries)Current account:net unilateral transfers gifts(transfers)across countries that do not purchase a good or service nor serve as income for goods and services produced,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-23,Balance of Payments Accounts(cont.),Capital account:records special transfers of assets,but this is a minor account for the U.S.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-24,Balance of Payments Accounts(cont.),Financial account:the difference between sales of domestic assets to foreigners and purchases of foreign assets by domestic citizens.Financial inflow Foreigners loan to domestic citizens by buying domestic assets Domestic assets sold to foreigners are a credit(+)because the domestic economy acquires money during the transactionFinancial outflow Domestic citizens loan to foreigners by buying foreign assets Foreign assets purchased by domestic citizens are a debit(-)because the domestic economy gives up money during the transaction,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-25,Balance of Payments Accounts(cont.),Financial account has at least 3 subcategories:Official(international)reserve assets All other assetsStatistical discrepancy,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-26,Balance of Payments Accounts(cont.),Statistical discrepancyData from a transaction may come from different sources that differ in coverage,accuracy,and timing.The balance of payments accounts therefore seldom balance in practice.The statistical discrepancy is the account added to or subtracted from the financial account to make it balance with the current account and capital account.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-27,Balance of Payments Accounts(cont.),Official(international)reserve assets:foreign assets held by central banks to cushion against financial instability.Assets include government bonds,currency,gold and accounts at the International Monetary Fund.Official reserve assets owned by(sold to)foreign central banks are a credit(+)because the domestic central bank can spend more money to cushion against instability.Official reserve assets owned by(purchased by)the domestic central bank are a debit(-)because the domestic central bank can spend less money to cushion against instability.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-28,Balance of Payments Accounts(cont.),The negative value of the official reserve assets is called the official settlements balance or“balance of payments.”It is the sum of the current account,the capital account,the non-reserve portion of the financial account,and the statistical discrepancy.A negative official settlements balance may indicate that a country is depleting its official international reserve assets or may be incurring large debts to foreign central banks so that the domestic central bank can spend a lot to protect against financial instability.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-29,Table 12-2:U.S.Balance of Payments Accounts for 2006(billions of dollars),Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-30,Table 12-2:U.S.Balance of Payments Accounts for 2006(billions of dollars,cont.),Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-31,U.S.Balance of Payments Accounts,The U.S.has the most negative net foreign wealth in the world,and so is therefore the worlds largest debtor nation.And its current account deficit in 2006 was$812 billion dollars,so that net foreign wealth continued to decrease.The value of foreign assets held by the U.S.has grown since 1980,but liabilities of the U.S.(debt held by foreigners)has grown more quickly.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-32,Fig.12-3:U.S.Gross Foreign Assets and Liabilities,1976-2006,Source:U.S.Department of Commerce,Bureau of Economic Analysis,June 2007,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-33,U.S.Balance of Payments Accounts(cont.),About 70%of foreign assets held by the U.S.are denominated in foreign currencies and almost all of U.S.liabilities(debt)are denominated in dollars.Changes in the exchange rate influence value of net foreign wealth(gross foreign assets minus gross foreign liabilities).Appreciation of the value of foreign currencies makes foreign assets held by the U.S.more valuable,but does not change the dollar value of dollar-denominated debt for the U.S.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-34,Summary,A countrys GNP is roughly equal to the income received by its factors of production.In an open economy,GNP equals the sum of consumption,investment,government purchases,and the current account.GDP is equal to GNP minus net income from foreign countries for factors of production.It measures the value of output produced within a countrys borders.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-35,Summary(cont.),National saving minus domestic investment equals the current account(exports minus imports).The current account equals the countrys net foreign investment(net outflows of financial assets).The balance of payments accounts records flows of goods transactions of financial assets appear in the financial account.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-36,Summary(cont.),Official international reserve assets are a component of the financial account which records official assets held by central banks.The official settlements balance is the negative value of official international reserve assets,and it shows a central banks holdings of foreign assets relative to foreign central banks holdings of domestic assets.The U.S.is the largest debtor nation,and its foreign debt continues to grow because its current account continues to be negative.,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-37,Additional Chapter Art,Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-38,Table 12-1:National Income Accounts for Agraria,an Open Economy(bushels of wheat),Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-39,Table 12-3:International Investment Position of the United States at Year End,2005 and 2006(millions of dollars),Copyright 2009 Pearson Addison-Wesley.All rights reserved.,12-40,Table 12-3:International Investment Position of the United States at Year End,2005 and 2006(millions of dollars),
