Variable | Sign | Variable Meaning | Unite |

Purchasing power parity exchange rates |
| The natural logarithm of purchasing power parity exchange rates annual variation | - |

Economic growth rate |
| The natural logarithm of GDP per capita annual variation | - |

The nominal exchange rate |
| The natural logarithm of nominal exchange rate annual variation | - |

Foreign direct investment | FDI | The ratio of foreign direct investment and GDP | % |

Net trade condition index |
| The ratio of export commodities and import prices (2000 = 100) | % |

The final consumption expenditure growth rate |
| An average annual growth rate of the final consumption expenditure based on local constant currency | % |