The rate of interest that a Lessee would have to pay to borrow on a collateralized basis over a similar term an amount equal to the lease payments in a similar economic environment.” [842-10-20] The IFRS 16 definition is somewhat different: “The rate of interest that a Lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the Right-of-Use asset in a similar economic environment.