Brief Survey of the Literature.- I. Small Open Economy.- 1. Solow Model.- 1.1. Foreign Assets.- 1.1.1. Steady State.- 1.1.2. Process of Adjustment.- 1.2. Foreign Debt.- 1.3. Assets.- 1.4. Numerical Example.- 1.5. Delayed Adjustment of Capital Stock.- 1.6. Technical Progress at Home.- 2. Overlapping Generations.- 3. Infinite Horizon.- II. Two Countries.- 1. Different Saving Rates (Overlapping Generations).- 1.1. Steady State.- 1.2. Process of Adjustment.- 2. Different Saving Rates (Solow Model).- 2.1. Steady State.- 2.2. Introducing Capital Mobility.- 3. Technical Progress Abroad (Solow Model).- 3.1. Steady State.- 3.2. Process of Adjustment.- 4. Different Rates of Labour Growth (Overlapping Generations).- 4.1. Steady State.- 4.2. Process of Adjustment.- III. Imperfect Capital Mobility.- 1. Solow Model (Fixed Debt Ratio).- 1.1. Steady State.- 1.2. Process of Adjustment.- 2. Overlapping Generations.- 2.1. Fixed Debt Ratio.- 2.2. Endogenous Interest Rate.- 3. Inifinite Horizon (Fixed Debt Ratio).- IV. Labour Mobility.- 1. Introducing Labour Mobility.- 1.1. Model.- 1.2. Numerical Example.- 2. Different Rates of Labour Growth.- V. Fixed Wage Rate.- 1. Closed Economy.- 2. Perfect Capital Mobility.- 3. Imperfect Capital Mobility.- 4. Land as Immobile Factor.- VI. Endogenous Growth.- 1. Closed Economy.- 2. Small Open Economy.- 3. Two Countries.- 4. Infinite Horizon.- Conclusion.- Result.- Symbols.- References.Springer Book Archives