For some products, works and services, the impact can be particularly significant, as public purchasers command a large share of the market (e.g. in construction, business services, IT and so on).
Maidir le táirgí, oibreacha agus seirbhísí áirithe, is féidir tionchar suntasach ar leith abheith igceist, os rud égo bhfuil sciar mór den mhargadh ag ceannaitheoirí poiblí (e.g. sa tógáil, sna seirbhísí gnó, TF agus mar sin de).