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app_dist_tables_avg_total-1.py
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app_dist_tables_avg_total-1.py
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"""
app_dist_Tables00.py illustrates use of pitaxcalc-demo release 2.0.0
(India version).
USAGE: python app_dist_Tables00.py
"""
import locale
from taxcalc import *
# from ind_curr import *
# locale.setlocale(locale.LC_ALL, '')
# create Records object containing pit.csv and pit_weights.csv input data
recs = Records(data='pit.csv', weights='pit_weights.csv')
grecs = GSTRecords()
crecs = CorpRecords()
# create Policy object containing current-law policy
pol = Policy()
# specify Calculator object for current-law policy
calc1 = Calculator(policy=pol, records=recs, gstrecords=grecs, corprecords=crecs, verbose=False)
# specify Calculator object for reform in JSON file
reform = Calculator.read_json_param_objects('Budget2019_reform.json', None)
pol.implement_reform(reform['policy'])
calc2 = Calculator(policy=pol, records=recs, gstrecords=grecs, corprecords=crecs, verbose=False)
# loop through years 2017, 2018, 2019, and 2020 and print out pitax
for year in range(2017, 2021):
calc1.advance_to_year(year)
calc2.advance_to_year(year)
calc1.calc_all()
calc2.calc_all()
weighted_tax1 = calc1.weighted_total('pitax')
weighted_tax2 = calc2.weighted_total('pitax')
total_weights = calc1.total_weight()
print(f'**************** Total Tax Collection for {year}', end=' ')
print('****************')
print('\n')
print(f'Current Law: Tax Collection in Rs. Cr. for {year}:', end=' ')
print(f'{weighted_tax1 * 1e-7:,.2f}')
print(f'Reform : Tax Collection in Rs. Cr. for {year}:', end=' ')
print(f'{weighted_tax2 * 1e-7:,.2f}')
print(' Difference in Tax Collection:', end=' ')
print(f'{(weighted_tax2-weighted_tax1) * 1e-7:,.2f} Cr.')
print('\n')
print(f'Representing: {total_weights * 1e-5:,.2f} Lakh taxpayers')
print('\n')
output_in_averages = False
output_categories = 'standard_income_bins'
# pd.options.display.float_format = '{:,.3f}'.format
# dt1, dt2 = calc1.distribution_tables(calc2, 'weighted_deciles')
dt1, dt2 = calc1.distribution_tables(calc2, output_categories,
averages=output_in_averages,
scaling=True)
dt2['pitax diff'] = dt2['pitax'] - dt1['pitax']
if (output_categories == 'standard_income_bins'):
dt1.rename_axis('Income Bracket', inplace=True)
dt2.rename_axis('Income Bracket', inplace=True)
else:
dt1.rename_axis('Decile', inplace=True)
dt2.rename_axis('Decile', inplace=True)
dt1 = dt1.reset_index().copy()
dt2 = dt2.reset_index().copy()
dt1 = dt1.fillna(0)
dt2 = dt2.fillna(0)
if output_in_averages:
print('*************************** Average Tax Burden ', end=' ')
print(f'(in Rs.) per Taxpayer for {year} ***************************')
pd.options.display.float_format = '{:,.0f}'.format
else:
print('***************** Distribution Tables ', end=' ')
print(f'for Total Tax Collection (in Rs. crores) for {year} *********')
pd.options.display.float_format = '{:,.3f}'.format
print('\n')
print(' Current-Law Distribution Table')
print('\n')
print(dt1)
print('\n')
print(' Policy-Reform Distribution Table')
print('\n')
print(dt2)
print('\n')
# print text version of each complete distribution table to a file
with open('dist-table-all-clp-total-'+str(year)+'.txt', 'w') as dfile:
dt1.to_string(dfile)
with open('dist-table-all-ref-total'+str(year)+'.txt', 'w') as dfile:
dt2.to_string(dfile)
# print text version of each partial distribution table to a file
to_include = ['weight', 'GTI', 'TTI', 'pitax']
with open('dist-table-part-clp-total'+str(year)+'.txt', 'w') as dfile:
dt1.to_string(dfile, columns=to_include)
with open('dist-table-part-ref-total'+str(year)+'.txt', 'w') as dfile:
dt2.to_string(dfile, columns=to_include)
# specify Calculator object for current-law policy
calc1 = Calculator(policy=pol, records=recs, gstrecords=grecs, corprecords=crecs, verbose=False)
# specify Calculator object for reform in JSON file
reform = Calculator.read_json_param_objects('Budget2019_reform.json', None)
pol.implement_reform(reform['policy'])
calc2 = Calculator(policy=pol, records=recs, gstrecords=grecs, corprecords=crecs, verbose=False)
for year in range(2017, 2021):
calc1.advance_to_year(year)
calc2.advance_to_year(year)
calc1.calc_all()
calc2.calc_all()
weighted_tax1 = calc1.weighted_total('pitax')
weighted_tax2 = calc2.weighted_total('pitax')
total_weights = calc1.total_weight()
print(f'**************** Total Tax Collection for {year}', end=' ')
print('****************')
print('\n')
print(f'Current Law: Tax Collection in Rs. Cr. for {year}:', end=' ')
print(f'{weighted_tax1 * 1e-7:,.2f}')
print(f'Reform : Tax Collection in Rs. Cr. for {year}:', end=' ')
print(f'{weighted_tax2 * 1e-7:,.2f}')
print(' Difference in Tax Collection:', end=' ')
print(f'{(weighted_tax2-weighted_tax1) * 1e-7:,.2f} Cr.')
print('\n')
print(f'Representing: {total_weights * 1e-5:,.2f} Lakh taxpayers')
print('\n')
output_in_averages = True
output_categories = 'standard_income_bins'
# pd.options.display.float_format = '{:,.3f}'.format
# dt1, dt2 = calc1.distribution_tables(calc2, 'weighted_deciles')
dt1, dt2 = calc1.distribution_tables(calc2, output_categories,
averages=output_in_averages,
scaling=True)
dt2['pitax diff'] = dt2['pitax'] - dt1['pitax']
if (output_categories == 'standard_income_bins'):
dt1.rename_axis('Income Bracket', inplace=True)
dt2.rename_axis('Income Bracket', inplace=True)
else:
dt1.rename_axis('Decile', inplace=True)
dt2.rename_axis('Decile', inplace=True)
dt1 = dt1.reset_index().copy()
dt2 = dt2.reset_index().copy()
dt1 = dt1.fillna(0)
dt2 = dt2.fillna(0)
if output_in_averages:
print('*************************** Average Tax Burden ', end=' ')
print(f'(in Rs.) per Taxpayer for {year} ***************************')
pd.options.display.float_format = '{:,.0f}'.format
else:
print('***************** Distribution Tables ', end=' ')
print(f'for Total Tax Collection (in Rs. crores) for {year} *********')
pd.options.display.float_format = '{:,.3f}'.format
print('\n')
print(' Current-Law Distribution Table')
print('\n')
print(dt1)
print('\n')
print(' Policy-Reform Distribution Table')
print('\n')
print(dt2)
print('\n')
# print text version of each complete distribution table to a file
with open('dist-table-all-clp-avg-'+str(year)+'.txt', 'w') as dfile:
dt1.to_string(dfile)
with open('dist-table-all-ref-avg'+str(year)+'.txt', 'w') as dfile:
dt2.to_string(dfile)
# print text version of each partial distribution table to a file
to_include = ['weight', 'GTI', 'TTI', 'pitax']
with open('dist-table-part-clp-avg'+str(year)+'.txt', 'w') as dfile:
dt1.to_string(dfile, columns=to_include)
with open('dist-table-part-ref-avg'+str(year)+'.txt', 'w') as dfile:
dt2.to_string(dfile, columns=to_include)