Eubrid: Expected utility on bridge interval
In balachia/pcPack: Producer Categories Paper Package

Expected utility on bridge interval

1	Eubrid(delta, xl, xr, Wl, Wr, sigma = 1, a = 1, b = 1, Madj = squash, ...)

`delta`	distance from left point
`xl`	location of left point
`xr`	location of right point
`Wl`	value of left point
`Wr`	value of right point
`sigma`	brownian walk sigma parameter
`a`	utility function a parameter
`b`	utility function b parameter
`...`	capture additional arguments