The large size of this constituency (one - fifth of the adult population), their high levels of religious commitment and turnout, and strongly liberal opinions on the issues of the day all combined to make Catholics a formidable Democratic voting bloc. (firstthings.com)
In an inner city MMC the geographical size of the constituency may be manageable, but in rural areas the sheer size of a 5 member MMC may make it impractical for constituents to visit their MP, or vice versa, so MMCs are reduced to, eg, 3 member constituencies (dprvoting.org)
The Lib Dems looked set to lose as many as 15 seats from a reform promoted by Cameron as a way of cutting the cost of politics and equalising the electoral size of constituencies. (theguardian.com)