Hi Panna,
I know you said you are trying to work out which creates the stronger POT over time.
The answer is... the Fav , if it wins all the time, based on your example.

But we know that is not the Ying & Yang reality of punting.
One has to try & work within the balance of The Book.
That's why betting to price is the more balanced & mathematical option.

Betting to fractional odds is what the Bookmaker wants you to do , that's why they invented odds in the first place, before switching over to decimal odds & that was not exactly their choice either, it was made for them , so why play into their hands.
No one wants to be an old school fool, so don't start now.

Example. Betting to $1000 ,Bank 10,000
$1.40 shot (cant possible lose) bet to Fract Odds = O/L $2500 = 40% POT
$1.40 shot bet to price = O/L $714 = 40% POT
So why give yourself a heart attack to make the same POT?

The $2500 to 10,000 bank = 25% of you whole bank on 1 'cant lose' horse.
Or
$714 to $10,00 bank = 7.14% of whole bank.

Which 2 options would one feel more comfortable with to gain the same 40% POT?

The dollars take care of themselves but first the percentages have to be in suitable to bank size.

The general idea in punting is to try & bet within proportion to ones bank.
That's exactly what Professional punters & Bookies do all the time, that's why they refuse certain bets, because it is outside the percentage of perceived risk to their known book value threshold , they have currently created.

As clearly stated in our original posting , betting to price is what the Bookies do to set their book percentage & to make a profit .
So,
That's exactly what we should do except we don't have to bet the field.

That's of course one feels they are smarter than a barrage of Professional bookmakers & numbers men, betting every race for a living, who know their way around a set of figures faster than we can blink.

Here is another example for you to play around with.
Target 3 horses per race betting to fract odds.
Then.
The the same 3 horses betting to price.

Apply this over say 4 races where the Fav wins only one of these.

There will be a massive difference in the results once converted to percentage.

Cheers.

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Cheers.