For quite a long time, network industries used to be regarded as (natural) monopolies. This was due to these industries having some special characteristics. Network externalities and economies of scale in particular justified the (natural) monopoly thesis. Recently, however, a trend towards...

Globally, real estate trade is highly regularized. Usually, the market value is not negotiated simply between the seller and potential buyer but based on an assessment performed by a professional valuer, known as a surveyor or appraiser. This paper inquires about the economic role of valuers in...