Extract the types of yield curves from the paragraph, summarize their definitions, and place them in a bullet list.
1. Government curve. This corresponds to the bonds issued by governments in their own currency.
2. LIBOR curve (or swap curve). This corresponds to the rates at which large banks borrow money from each other (also called LIBOR rate).
3. Corporate curve (or company curve). This is constructed from the yields of bonds issued by corporations.