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ECO 121 Macroeconomics. Spring 2010. Aisha Khan Section L & M. Lecture Two. Inflation. Nominal vs. Real income Real income = Nominal income / price index Who is hurt by inflation? Fixed-income receivers Savers Creditors. Inflation. Who is unaffected/ helped by inflation?
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ECO 121 Macroeconomics Spring 2010 Aisha Khan Section L & M Lecture Two
Inflation • Nominal vs. Real income • Real income = Nominal income / price index • Who is hurt by inflation? • Fixed-income receivers • Savers • Creditors
Inflation • Who is unaffected/ helped by inflation? • Flexible income receivers • Debtors • Deflation • Hyperinflation
Effects of inflation on output • Cost push inflation affects supply side thus reduces output • Demand pull inflation affects demand side more output produced to satisfy demand
The US Economy • Public and Private Sectors- M&B Ch. 5 • Households, Businesses, the Public Sector/Government
Legal Forms of Businesses • Sole-proprietorship • Partnership • Corporation • Principal agent problem • Principals (stockholders) • Agents (managers) • Differences in objectives (profits vs. salary)
Public Sector • Government’s role • Providing legal structure • Maintaining competition • Redistributing income • Transfer payments • Market intervention • Taxation • Reallocating resources (market failures) • Spillovers • Public goods
Spillovers or Externalities • When some of the costs or benefits of a good are passed on to someone other than the immediate buyer or seller
Spillovers or Externalities • Spillover costs • Environmental pollution • Correct by: legislation, specific taxes • Spillover benefits • Health, education, • Correct by: subsidize consumers, suppliers, goods (postal)
Public Goods • Indivisible • Non-exclusive • No market incentive to produce e.g. streetlights • Free-rider problem people receive benefit from a good without incurring the cost • Quasi- public goods • Can be exclusive streets/highways, education, libraries
Circular Flow (1) Money income (rents, wages etc) (1) Costs Resource Market (2) Resources (2) Factors of prodn (7) Expenditures (8) Resources (10 )Goods and Services (9)Goods and Services Businesses Govrn’t Household (11) Net Taxes (12) Net Taxes (5) Expenditures (6)Goods and Services (4)Goods and Services (4)Goods and Services Product Market (3) Revenue (3) Consumption expenditures
Government finance • Federal expenditures • Pensions, income security • National defense • Health • Interest on public debt • Federal Tax revenues • Personal income tax • Payroll tax • Corporate income tax • Excise taxes- charged on goods produced inside the country
Pakistan's expenditure Source: Economic Survey 07-08, Finance Division of Government Pakistan
Pakistan- Current Expenditure Source: Economic Survey 07-08, Finance Division of Government Pakistan
Pakistan Tax Revenue Source: Finance Division of Government Pakistan
Assignment 1 • M&B Chapter 7 p. 157 • Questions 2, 4, 6, 8, 10 • Due next class: Monday