Let 1 , 2 , ... be i.i.d. r.v.s with zero mean and variance
Question:
Let ξ1, ξ2, ... be i.i.d. r.v.’s with zero mean and variance σ2 > 0, S0 = 0, St = ξ1+...+ξt for t = 0,1, .... Show that Xt = S2t −σ2t is a martingale with respect to ξt.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
We have EX1 EStt1 ...View the full answer
Answered By
Ali Khawaja
my expertise are as follows: financial accounting : - journal entries - financial statements including balance sheet, profit & loss account, cash flow statement & statement of changes in equity -consolidated statement of financial position. -ratio analysis -depreciation methods -accounting concepts -understanding and application of all international financial reporting standards (ifrs) -international accounting standards (ias) -etc business analysis : -business strategy -strategic choices -business processes -e-business -e-marketing -project management -finance -hrm financial management : -project appraisal -capital budgeting -net present value (npv) -internal rate of return (irr) -net present value(npv) -payback period -strategic position -strategic choices -information technology -project management -finance -human resource management auditing: -internal audit -external audit -substantive procedures -analytic procedures -designing and assessment of internal controls -developing the flow charts & data flow diagrams -audit reports -engagement letter -materiality economics: -micro -macro -game theory -econometric -mathematical application in economics -empirical macroeconomics -international trade -international political economy -monetary theory and policy -public economics ,business law, and all regarding commerce
1+ Reviews
10+ Question Solved
Related Book For 
Question Posted:
