s3jcp
幼苗
共回答了16个问题采纳率:81.3% 举报
factors affecting PED:
i) price
ii) price of other goods (either complement or substitute)
iii) income
iv) tastes and fashion
factors affecting PES
i) cost
ii) price
iii) technology
iv) no.of producers,i.e.strength of competition
Im 100% sure my answers are completely right.
1年前
6