Vielen Dank für die schnelle Rückmeldung!

Hier meine Fehlermeldung:
! Missing $ inserted.
<inserted text>
$
l.14 ...idth=0.70\linewidth]{DemandElasticity.eps}
I've inserted a begin-math/end-math symbol since I think
you left one out. Proceed, with fingers crossed.
! Missing $ inserted.
<inserted text>
$
l.14 ...idth=0.70\linewidth]{DemandElasticity.eps}
I've inserted a begin-math/end-math symbol since I think
you left one out. Proceed, with fingers crossed.
[1
] (./ProfitMax.Demand_Elasticity.aux) )
Here is how much of TeX's memory you used:
1135 strings out of 476026
20332 string characters out of 5790044
1851385 words of memory out of 5000000
21630 multiletter control sequences out of 15000+600000
512287 words of font info for 32 fonts, out of 8000000 for 9000
1141 hyphenation exceptions out of 8191
57i,9n,62p,222b,295s stack positions out of 10000i,1000n,20000p,200000b,200000s
Output written on ProfitMax.Demand_Elasticity.dvi (1 page, 1192 bytes).