[c_obs] = xlsread('2012Q4.xls','C4:C64');
[i_obs] = xlsread('2012Q4.xls','D4:D64');
[pi_obs] = xlsread('2012Q4.xls','E4:E64');

[R_obs] = xlsread('2012Q4.xls','G4:G64');
[YOBS_obs] = xlsread('2012Q4.xls','H4:H64');
[R_STAR_obs] = xlsread('2012Q4.xls','I4:I64');

[x_obs] = xlsread('2012Q4.xls','J4:J64');
[y_STAR_obs] = xlsread('2012Q4.xls','K4:K64');
[E_obs] = xlsread('2012Q4.xls','M4:M64');

[w_bar_obs] = xlsread('2012Q4.xls','F4:F64');
[EXPORTS_obs] = xlsread('2012Q4.xls','L4:L64');
[pi_STAR_obs] = xlsread('2012Q4.xls','N4:N64');
[IMPORTS_obs] = xlsread('2012Q4.xls','O4:O64');
[pcom_obs] = xlsread('2012Q4.xls','P4:P64');