The economy of a country can be seen from its internal conditions such as the real sector, namely production, consumption and investment. Then the monetary sector, such as inflation, the money supply and the balance of the exchange rate. In addition, the condition of the Indonesian economy can also be seen from external conditions which are reflected in the development of the balance of payments which illustrates the condition of the Indonesian economy in the real and monetary sectors. The balance of payments also measures the ability of the economy to support international transactions, especially transactions related to debt obligations and export-import transactions, and informs the government about the state of the economy, especially in this regard. On the results of economic relations with other countries. Thus, the balance of payments can assist in decision-making in the currency sector. Indonesia's balance of payments often fluctuates from time to time. A current account deficit does not result in a balance of payments deficit because the financial account increases capital and compensates for the current account deficit.

In the development of the economy, the State of Indonesia experienced a change in the structure of the economy from an agricultural basis to an industrial one, which resulted in many benefits from these changes. The industrial sector has a close relationship with the economy of a country because the progress of the industrial sector is an indicator of the success of a country's economy. Descriptive methods are used to analyze physical and social phenomena and the readiness of an area to become a cluster. The analysis reveals that cluster policies are implemented by national and regional cluster programs. It was also determined that an important element of the cluster policy is the identification of sources of finance and the people responsible for implementing the program. The instrument can be applied by cluster policy actors which are defined in a broad sense, namely business, associations, government actors. In the industrial world, there are five industrial forces in determining the competition of an industry. The method used to determine the strength of the industry based on external factors of the company.