Introduction to Development Economics

Today's lecture aims to achieve four primary goals:

Economics is a discipline focused on understanding how individuals, firms, and countries make decisions to allocate limited resources.
It encompasses many different fields, including:
- Macroeconomics
- International Economics
- Industrial Organization
- Organizational Economics
- Labor Economics
- Public Economics

Development economics is a less rigidly defined field compared to other economic disciplines.
Its boundaries can be understood in several ways.
Book's Definition: "The study of how economies are transformed from stagnation to growth and from low-income to high-income status, and overcome problems of absolute poverty."
- Critiques of this definition:
  - It assumes that transformation is always possible, which may not always be the case.
  - It can be considered too narrow, as the economic processes involved apply to all countries, including issues like poverty in wealthy nations, which share similarities with those in poorer countries.
Rather than a single definition, the instructor prefers to illustrate the discipline's boundaries through various themes.

Original Question: "Why are some countries poor?"
- Problems with this phrasing: It was historically paternalistic and orientalist, implying that Western, developed countries were "normal" and poorer countries needed to be "fixed" to conform to Western models.
- Modern perspective: We now recognize that Western countries are often the unusual ones, and the goals of development can be diverse and country-specific.
- Broad topics arising from this question: This question leads into a very broad range of topics, including:
  - Political Economy: How the functioning of government impacts development prospects.
  - Industrial Policy: The role and function of various industries in development.
  - Human Capital: The critical importance of the population's health and education.
Revised Motivating Question (Modern Phrasing): "What is the source of the diverse set of economic and social conditions that determine the wellbeing of individuals around the globe?" This question offers a more nuanced and less prescriptive approach.

Development economics can be unified by several key themes:

Geographic Theme: Applying modern economic techniques to understand low and middle-income countries. This effectively means any economic research conducted outside of a Western, high-income country.
Non-Western Theme: Understanding economic circumstances, institutions, organizational and family structures, social norms, and preferences that do not typically exist in high-income countries.
Macro/Growth Theme: Analyzing differences in macroeconomic performance between countries and observing changes over time.
Poverty Theme: Investigating the causes of poverty and income inequality. This is subject-based rather than exclusively geographically based, and can include studying poor populations within high-income countries.
Policy Orientation Theme: Research is often driven by a desire for change and improvement. It is motivated by specific policy questions and aims to identify actionable solutions. While other fields have elements of policy orientation, it is a much more central focus in development economics.

Top $10$ Countries by Gross National Income (GNI) in billions of USD, PPP Adjusted (2021, World Bank):
- $1$ . United States: $23,617$
- $2$ . China: $17,572$
- $3$ . Japan: $5,129$
- $4$ . Germany: $4,411$
- $5$ . India: $3,127$
- $6$ . United Kingdom: $3,118$
- $7$ . France: $3,045$
- $8$ . Italy: $2,145$
- $9$ . Canada: $1,974$
- $10$ . Korea Republic: $1,831$

Top $10$ Countries by GNI per capita in USD, PPP Adjusted (2021, World Bank):
- $1$ . Singapore: $102,450$
- $2$ . Qatar: $100,450$
- $3$ . Bermuda: $91,950$
- $4$ . Norway: $82,840$
- $5$ . Ireland: $79,370$
- $6$ . Switzerland: $75,810$
- $7$ . Macao SAR, China: $72,940$
- $8$ . Hong Kong SAR, China: $70,600$
- $9$ . United States: $70,480$
- $10$ . Denmark: $66,720$
Bottom $10$ Countries by GNI per capita in USD, PPP Adjusted (2021, World Bank):
- $183$ . Malawi: $1,610$
- $184$ . Madagascar: $1,570$
- $185$ . Chad: $1,510$
- $186$ . Liberia: $1,470$
- $187$ . Niger: $1,330$
- $188$ . Mozambique: $1,320$
- $189$ . Somalia: $1,240$
- $190$ . Dem. Rep. of Congo: $1,110$
- $191$ . Central African Republic: $980$
- $192$ . Burundi: $780$

Geographic Concentration of Poverty: Poverty is notably concentrated in the tropical regions around the equator.
Regional Variations:
- Sub-Saharan Africa exhibits the highest concentration of poverty.
- Latin America tends to be the most developed among lower and middle-income regions.
- Asia and Northern Africa generally fall in between these two extremes.
Poverty also exists within high-income countries, as illustrated by data on US County Poverty Rates, with ranges from $3.0\% - 9.3\%$ to $18.0\% - 43.9\%$

Top $10$ Countries by Life Expectancy in Years (2015, World Bank):
- $1$ . Hong Kong, China: $85$
- $2$ . Macau, China: $85$
- $3$ . Japan: $85$
- $4$ . Singapore: $84$
- $5$ . Korea Republic: $83$
- $6$ . Norway: $83$
- $7$ . Australia: $83$
- $8$ . Switzerland: $83$
- $9$ . Faroe Islands: $83$
- $10$ . Iceland: $83$
Bottom $10$ Countries by Life Expectancy in Years (2015, World Bank):
- $243$ . Guinea: $59$
- $244$ . Cote d'Ivoire: $59$
- $245$ . Mali: $59$
- $246$ . Africa Western and Central: $57$
- $247$ . Somalia: $56$
- $248$ . South Sudan: $56$
- $249$ . Lesotho: $55$
- $250$ . Central African Republic: $55$
- $251$ . Nigeria: $53$
- $252$ . Chad: $53$

Male child mortality rates (deaths per $1,000$ live births, 2020, World Bank) show significant disparities globally, ranging from $1.9$ to $120.3$ deaths per $1,000$ live births.
Geographic mapping of child mortality rates further highlights concentration in specific regions, similar to poverty trends.

The lecture explored three examples of developing countries through video content titled "Introduction to the World Video." (Specific details of the examples were not provided in the transcript, only the mention of the video resource).

The history of economic development was addressed through a video presentation titled " $200$ Countries, $200$ Years in $4$ Minutes." (Specific historical details were not provided in the transcript, only the mention of the video resource).