Lebak regency is one of regencies in Banten province. It has a lot of potential. The potential of such close to the capital city of Jakarta and superior in food products. However, it is one of Lebak regency left behind so that the necessary efforts to develop the region through the determination of the base sector, other sectors that have the potential to be developed as well as the interaction between Lebak regency in Banten Province.
The purpose of this study is to identify the sector base in Lebak Regency by using a Location Quotient (LQ) then identify potential sectors that have competitive advantage and specialization by using shift share analysis tools and models Growth Ratio (MRP) and then these analysis tools are combined and form overlay analysis. The last purpose is identifying the interaction between Lebak Regency withthe other regions in Banten Province. It is using the gravity method.
Based on LQ analysis, we know that Lebak regency has 6 basic sectors, such as agriculture, mining and excavating, building and constructing, trading, hotel and restaurant, finance and leasing. Besides, there are 3 non basic sectors, electricity, gas, and clean water. From Shift Share, MRP, and Overlay analysis, there are 9 sectors that have excellent competitiveness and others have only special characteristic. Sectors which have excellent competitiveness are mining and excavating, building and construction, trading, hotel and restaurant, and also financing, leasing and other services. These sectors are potential to be developed. Other sectors that have potential to be developed are expedition and communication. The result of gravitation method is about strong interaction between Lebak regency with Tangerang, Serang, and Pandegalang Regency, and also Tangerang, South Tangerang, Serang City. Besides, weak interaction is happened with Cilegon Cit
