A: The maximum amount that a person can contribute to his Roth 401(k) for the calendar year 2015 is $18,000, or $24,000 for those over age 50.his means an investor under age 50 can invest $10,000 in a Roth 401(k) and $8,000 in a traditional 401(k) and vice versa.
Definition of free trade. : trade based on the unrestricted international exchange of goods with tariffs used only as a source of revenue.
trade. 1  the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries: domestic trade; foreign trade. 2  the act of buying, selling, or exchanging stocks, bonds, or currency: Stock brokerages typically charge a commission per trade. 3  a purchase or sale; business deal or transaction.