Recently, Freddie Mac published an Insight Report titled Nowhere to go but up? How increasing mortgage rates could affect housing. The report focused on the impact the projected rise in mortgage rates might have on the housing market this year. Many believe that an increase in mortgage rates will cause a slowdown in purchases which would, in turn, lead to a fall in house values. Ultimately, however, prices are determined by supply and demand and while rising mortgage rates may slow demand, they also affect supply. From the report: “For current homeowners, the decision to buy a new home is typically linked to their decision to sell their current home… Because of this link, the financing costs of the existing mortgage are part of the homeowner’s decision of whether and when to move. Once financing costs for a new mortgage rise above the rate borrowers are paying for their current mortgage, borrowers would have to give up below-market financing to sell their home. Instead, they may c