document: Optimal time of switching between portfolios of securities Optimal time of switching between several portfolios of securities are found for the purpose of profit maximization . Two methods of their determination are considered . The cases with three and n portfolios are studied in detail
doc_bio_tags: B I O O O B I I B I O O O O B I I O O O O O O B I O O O O O O O O O O O O O O O O O O O O