Peace and Economic Development in the Age of Globalization
Transcript of Peace and Economic Development in the Age of Globalization
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Peace and Economic Development in the Age of Globalization
Finn E. KydlandUniversity of California
Santa Barbara
Bridges, February 2008
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• Deficient economic development often comesin the way of peace
This fact is recognized by many.
Example: Emphasis placed on the topic of development at the annual Conference of Nobel Laureates, Building a Better World, arranged in Petra, Jordan, by the Elie Wiesel Foundation for Humanity and the King Abdullah II Fund for Development.
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Real GDP per capita
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Real GDP per capita: Europe
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Real GDP per capita: Africa
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Overview of Talk
• Framework of modern macroeconomics
• Rules vs discretion; fundamental reasonfor policy inconsistency over time
• Acute examples
• Lessons from Argentina and Ireland
• What fosters/hampers economic development?
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• Models inhabited by millions of people
Characterized by preferences overgoods and leisure into the indefinite future
Budget (resource) constraints
Model economies are explicit aboutpeople’s dynamic decision problems
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• Models contain thousands of businesses
Aggregate production function
Technology for converting inputs of capitaland labour into output of goods and services
Technological change
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• Calibration
Model is a measuring device;needs to be calibrated
Part of making the quantitative answer as reliable as possible
Computational experiment
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• Introduce government
Government has an objective and a budget constraint
Theoretical result:
The optimal government policy generally is inconsistent over time and requires a commitment mechanism to be implemented.Alternative outcomes can be very bad.
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• Fundamental reason for inconsistency:
Planning for today and the future,the optimal government policy takes into account current and future private decisions, which in turn depend on current andanticipated future government policy.When the future arrives, private decisions upuntil then have already been made, implyinga temptation, even for a benign government, to change its policy from then on.
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• Where is that temptation the greatest?
Increasing tax on physical and human capital
Partially renege (default) on government debt through surprise inflation
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Examples of mechanisms used in practice by governments to attempt to tie their own hands (not necessarily successfully!)
(i) Gold Standard(ii) Currency Board(iii) Independent Central Banks
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• Inflation targeting
How likely to work in the long run?
Equivalent to price-level targeting? No.
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• Main driving force for economic growth:
Innovative activity and technological change
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• But cannot live by technological change alone
Need incentives to invest in new capital(factories, machines, office buildings…)
Government policy may be detrimentalto such growth
Example: Argentina in the 1990s
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ARGENTINAGDP per working age person (Index)
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1950
1960
1970
1980
1990
2000
Ln (G
DP
p. c
.)
1998
Lost Decade Depression
1990s boom
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• Lost Decade in the 1980s. But especiallyinteresting: the 1990s boom
Argentina grew fast from 1990 to 1998
Surprise: In light of the high rate of productivity growth, the standard modelimplies investment should have beenmuch larger in the 1990s, and the capitalstock therefore much bigger by theend of the decade
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ARGENTINAGDP
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
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1998
1999
2000
2001
2002
2003
Ln (G
DP)
Data
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ARGENTINAGDP
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
Ln (G
DP)
Data
Model
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ARGENTINACapital Input
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
Ln (K
)
Data
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ARGENTINACapital Input
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
Ln (K
)
Model
Data
Model
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• Possible explanation
Time-inconsistency “disease” due topast hyperinflations, devaluations,deposit freezes and defaults ongovernment obligations, resulting inlack of credibility among investors
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ARGENTINACapital input per working age person
LOWER CAPITAL: LOWER REAL WAGES, WORSE DISTRIBUTION OF INCOME
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
Ln (K
p. c
.)
Data
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• Argentina’s recent recovery
Will “capital gap” be closed? If not, poorwill continue to be poor for a long time
How to restore confidence?
No easy answer
Need policy geared for the long run,that is, for the next 5, 10,… years
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• Lessons for policy
Focus on incentives for productivitygrowth (innovation) and capitalaccumulation
Government policy has to be credible and forward-looking (e.g., Ireland since 1990)
Institutions geared to avoiding “time-inconsistency disease”Open
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• Income and wealth disparities across nations
Low income often the result of country-specific policies that directly or indirectly restrict the setof technologies that can be used
Bad: protection of vested interests
A lot of knowledge available. May need to be combined with nation-specific innovative activityOpen
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• Importance of good economic policy
Paraphrasing the conclusion of Parente & Prescott’sbook on Barriers to Riches:
With good policy, there is potential in poor nationsfor, not 1-2 percent, but 1000-2000 percent income increase
Open