منابع مشابه
On the possible volume of $mu$-$(v,k,t)$ trades
A $mu$-way $(v,k,t)$ $trade$ of volume $m$ consists of $mu$ disjoint collections $T_1$, $T_2, dots T_{mu}$, each of $m$ blocks, such that for every $t$-subset of $v$-set $V$ the number of blocks containing this t-subset is the same in each $T_i (1leq i leq mu)$. In other words any pair of collections ${T_i,T_j}$, $1leq i< j leq mu$ is a $(v,k,t)$ trade of volume $m$. In th...
متن کاملon the possible volume of $mu$-$(v,k,t)$ trades
a $mu$-way $(v,k,t)$ $trade$ of volume $m$ consists of $mu$ disjoint collections $t_1$, $t_2, dots t_{mu}$, each of $m$ blocks, such that for every $t$-subset of $v$-set $v$ the number of blocks containing this t-subset is the same in each $t_i (1leq i leq mu)$. in other words any pair of collections ${t_i,t_j}$, $1leq i< j leq mu$ is a $(v,k,t)$ trade of volume $m$. in th...
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Trading volume of infinitely lived securities, such as equity, is generically zero in Lucas asset-pricing models with heterogeneous agents. More generally, the end-of-period portfolio of all securities is constant over time and states in the generic economy. General equilibrium restrictions rule out trading of equity after an initial period. This result contrasts the prediction of portfolio all...
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This paper investigates asset trade in a general-equilibrium complete-markets endowment economy with heterogeneous agents. It shows that standard no-trade results cease to hold when agents have heterogeneous beliefs and that substantial trade volume is generated, even in the presence of a spanning set of assets. Further, trade volume and price movements have a positive relationship in the model...
متن کاملThe volume growth of complete gradient shrinking Ricci solitons
We prove that any gradient shrinking Ricci soliton has at most Euclidean volume growth. This improves a recent result of H.-D. Cao and D. Zhou by removing a condition on the growth of scalar curvature. A complete Riemannian manifold M of dimension n is called gradient shrinking Ricci soliton if there exists f ∈ C (M) and a constant ρ > 0 such that Rij +∇i∇jf = ρgij , where Rij denotes the Ricci...
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ژورنال
عنوان ژورنال: Chimères
سال: 1972
ISSN: 2471-1438,0276-7856
DOI: 10.17161/chimeres.v5i1.6256