Appendix 1.

Selected econometric estimation results, price equations

	Tax dummy	Reference price	Linear trend	Intercept	R 2
Minced beef price (log)
Log(price_LoF)	−0·015	−0·154	−0·013	0·074	0·526
sd	0·027	0·102	0·009	0·013
Log(price_MdF)	−0·035	0·602	−0·025	−0·007	0·054
sd	0·030	0·113	0·004	0·015
Log(price_HiF)	0·162	0·000	−0·007	−0·008	0·128
sd	0·034	0·000	0·014	0·020
Regular cream price (log)
Log(price_LoF)	−0·017	−0·013	−0·004	0·014	0·325
sd	0·003	0·012	0·000	0·002
Log(price_MdF)	−0·023	0·075	0·013	0·036	0·722
sd	0·006	0·024	0·001	0·004
Log(price_HiF)	0·142	0·311	−0·001	0·005	0·752
sd	0·002	0·005	0·000	0·001
Sour cream price (log)
Log(price_LoF)	0·080	0·305	0·033	−0·007	0·741
sd	0·013	0·039	0·001	0·007
Log(price_MdF)	0·725	3·604	−0·130	−0·019	0·297
sd	0·032	0·094	0·001	0·016
Log(price_HiF)	0·132	0·035	−0·001	−0·005	0·913
sd	0·012	0·036	0·001	0·006

LoF, low-fat variety; MdF, medium-fat variety; HiF, high-fat variety.