Chicory is a biennial plant, but commonly grown as an annual plant in vegetable gardens. As a biennial plant, it has a two-year growing cycle. It produces a leafy head in the first year and then ...

Bodie, Zvi, Robert C. Merton, and William Samuelson. "Labor Supply Flexibility and Portfolio Choice in a Life-Cycle Model." Journal of Economic Dynamics & Control 16, nos. 3-4 (July–October 1992): 427 ...