Page 679 - Makino,Tsutusi.DictionaryOfIntermediateJGrammar

yon' 605
On the other hand, motto can be used when a specific item of comparison
kore l are l sore yori 'than this I that I that' is known from the situation or
context, whereas yori is unacceptable in this situation, as in [2].
121 a. {%->t /*~vI %3t>a,iih~ a-ervjl.,
(Do you have a bigger one (than this)?)
b. &a)&&i (672 /*kc)} msb~k,E,9-?rbl?:a)If71f, $g
g#f& p0
(I thought that that movie would be more interesting (than that),
but it was disappointing.)

Note also that when X h6 ga 'X is (more)' is present, motto implies 'much
more,' while yori is simply for emphasis. (See Note 2.) Compare [3a] and
Vbl.
[31 a. 1fXTBBfb3tr'% 7 t%Wb!~T.f~
(Commuting to work by bus is much more economical.)