<s>
The	O
Zeuthen	B-General_Concept
strategy	I-General_Concept
in	O
cognitive	O
science	O
is	O
a	O
negotiation	O
strategy	O
used	O
by	O
some	O
artificial	B-General_Concept
agents	I-General_Concept
.	O
</s>
<s>
When	O
both	O
agents	O
use	O
the	O
monotonic	O
concession	O
protocol	O
,	O
the	O
Zeuthen	B-General_Concept
strategy	I-General_Concept
leads	O
them	O
to	O
agree	O
upon	O
a	O
deal	O
in	O
the	O
negotiation	O
set	O
.	O
</s>
<s>
The	O
Zeuthen	B-General_Concept
strategy	I-General_Concept
answers	O
three	O
open	O
questions	O
that	O
arise	O
when	O
using	O
the	O
monotonic	O
concession	O
protocol	O
,	O
namely	O
:	O
</s>
<s>
To	O
the	O
third	O
question	O
,	O
the	O
Zeuthen	B-General_Concept
strategy	I-General_Concept
suggests	O
that	O
the	O
conceding	O
agent	O
should	O
concede	O
just	O
enough	O
raise	O
its	O
value	O
of	O
Risk(i,t )	O
just	O
above	O
that	O
of	O
the	O
other	O
agent	O
.	O
</s>
<s>
Therefore	O
,	O
the	O
Zeuthen	B-General_Concept
strategy	I-General_Concept
guarantees	O
a	O
final	O
agreement	O
that	O
maximizes	O
the	O
Nash	O
Product	O
.	O
</s>
