Sentence examples for Two wtp from inspiring English sources

The two WTP questions were as follows.

The survey consisted of common socio-demographic and clinical questions, TTO and SG utility questions and two WTP questions.

We use a three-phase modeling approach because the WTP data were obtained using a sequence of three main questions (see Figure  1): first whether the respondent is WTP (positive or zero WTP), and second, given a positive WTP, what is the maximum WTP level, or given a zero WTP, what is the reason for the unwillingness to pay.

A detailed comparison between HAV-positive sewage samples and clinical notification data from the respective WTP-catchment areas shows some discrepancy: positive sewage samples were detected in two WTPs, with no clinical cases notified in the corresponding catchment areas (Table  1, WTP 14 and 17).

In a study using WTP to assess public preferences towards fortification of foodstuffs with folic acid, 11percentt were willing to pay, 16% had zero WTP and 51% wanted their insurance to pay for it [ 15].

In line with Amoah [26], four WTP arguments were observed which follow four definitions.

The frequency of the zero WTP value was higher for non-users.

The term refers to the respondents that report zero WTP due to non-budget related reasons.

The zeros should, without any further information, be treated as true zeros (corner solutions) since we cannot rule out a zero WTP (Carlsson and Martinsson 2007).

Additionally, an overall weighted mean was calculated by assuming zero WTP for those who did not respond or who were not willing to pay at all.

Because the WTP distribution was asymmetric with a positive skew, we used a log transformation variable Log (WTP +1) to characterize the normal distribution and deal with a zero WTP value in the model.